Taxonomy Browser

Concept:    details
Higher Taxa class: Equisetopsida C. Agardh
subclass: Magnoliidae Novák ex Takht.
superorder: Rosanae Takht.
order: Rosales Bercht. & J. Presl
family: !!Rosaceae Juss.

  genus: !!Crataegus L.   Go to name

Lower Taxa subgeneric unranked: Crataegus [ unranked ] Aestivales Sarg.
section: Crataegus sect. Aestivales (Sarg.) C.K. Schneid.
series: Crataegus ser. Aestivales (Sarg.) Rehder
series: Crataegus ser. Altaicae J.B. Phipps
subgenus: Crataegus subgen. Americanae El Gazzar
section: Crataegus sect. Anomalae Sarg. ex Eggl.
series: Crataegus ser. Anomalae (Sarg. ex Eggl.) Rehder
section: Crataegus sect. Apiifoliae Loudon
series: Crataegus ser. Apiifoliae (Loudon) Rehder
section: Crataegus sect. Apricae J.B. Phipps
series: Crataegus ser. Baroussanae J.B. Phipps
subgeneric unranked: Crataegus [ unranked ] Bracteatae Sarg.
series: Crataegus ser. Bracteatae (Sarg.) Rehder
series: Crataegus ser. Brainerdianae Eggl. ex E.J. Palmer
subspecific unranked: Crataegus unranked Brevispinae Beadle
section: Crataegus sect. Brevispinae (Beadle) C.K. Schneid.
series: Crataegus ser. Brevispinae (Beadle) Rehder
series: Crataegus ser. Cerrones J.B. Phipps
section: Crataegus sect. Coccineae Loudon
series: Crataegus ser. Coccineae (Loudon) Rehder
nothosection: Crataegus nothosect. Coccitaegus K.I. Chr. & T.A. Dickinson
subgeneric unranked: Crataegus [ unranked ] Cordatae Beadle
section: Crataegus sect. Cordatae (Beadle) Eggl.
series: Crataegus ser. Cordatae (Beadle) Rehder
nothosection: Crataegus nothosect. Crataeglasia K.I. Chr. & T.A. Dickinson
nothoseries: Crataegus nothoser. Crataeglasianae K.I. Chr. & T.A. Dickinson
section: Crataegus sect. Crataegus
series: Crataegus ser. Crataegus
nothosection: Crataegus nothosect. Crataemespilus (E.G. Camus) T.A. Dickinson & E.Y.Y. Lo
section: Crataegus sect. Crus-galli Loudon
series: Crataegus ser. Crus-galli (Loudon) Rehder
section: Crataegus sect. Cuneatae Rehder
subgeneric unranked: Crataegus [ unranked ] Dilatatae Sarg.
series: Crataegus ser. Dilatatae (Sarg.) Rehder
section: Crataegus sect. Douglasia Loudon
series: Crataegus ser. Douglasianae Rehder
section: Crataegus sect. Eleutherospermum Schltdl.
section: Crataegus sect. Flavae Loudon
series: Crataegus ser. Flavae (Loudon) Rehder
series: Crataegus ser. Grandifoliae J.B. Phipps
series: Crataegus ser. Greggianae J.B. Phipps
section: Crataegus sect. Henryanae Sarg.
subgeneric unranked: Crataegus [ unranked ] Intricatae Sarg.
series: Crataegus ser. Intricatae (Sarg.) Rehder
series: Crataegus ser. Lacrimatae J.B. Phipps
subgeneric unranked: Crataegus [ unranked ] Lobulatae Sarg.
section: Crataegus sect. Macracanthae Loudon
series: Crataegus ser. Macracanthae (Loudon) Rehder
series: Crataegus ser. Madrenses J.B. Phipps
section: Crataegus sect. Mespilus (L.) T.A. Dickinson & E.Y.Y. Lo
section: Crataegus sect. Mexicanae Loudon
series: Crataegus ser. Mexicanae (Loudon) Rehder
section: Crataegus sect. Microcarpae Loudon
series: Crataegus ser. Microcarpae (Loudon) Rehder
subgeneric unranked: Crataegus [ unranked ] Molles Sarg.
section: Crataegus sect. Molles (Sarg.) C.K. Schneid.
series: Crataegus ser. Molles (Sarg.) Rehder
series: Crataegus ser. Montaninsulae J.B. Phipps & O'Kennon
section: Crataegus sect. Orientales Zabel
section: Crataegus sect. Parvifoliae Loudon
series: Crataegus ser. Parvifoliae (Loudon) Rehder
nothosection: Crataegus nothosect. Phippsara T.A. Dickinson & E.Y.Y. Lo
section: Crataegus sect. Pinnatifidae Zabel
section: Crataegus sect. Populneae J.B. Phipps
subgeneric unranked: Crataegus [ unranked ] Pruinosae Sarg.
series: Crataegus ser. Pruinosae (Sarg.) Rehder
subgeneric unranked: Crataegus [ unranked ] Pulcherrimae Beadle
series: Crataegus ser. Pulcherrimae (Beadle) K.R. Robertson
nothoseries: Crataegus nothoser. Punctaegus K.I. Chr. & T.A. Dickinson
section: Crataegus sect. Punctatae Loudon
series: Crataegus ser. Punctatae (Loudon) Rehder
series: Crataegus ser. Purpureofructus J.B. Phipps & O'Kennon
section: Crataegus sect. Rotundifoliae Eggl.
series: Crataegus ser. Rotundifoliae Rehder
subgeneric unranked: Crataegus [ unranked ] Sanguineae Zabel ex Rehder
section: Crataegus sect. Sanguineae (Zabel ex Rehder) C.K. Schneid.
subgeneric unranked: Crataegus [ unranked ] Silvicolae Beadle
series: Crataegus ser. Silvicolae E.J. Palmer
series: Crataegus ser. Sulfureae J.B. Phipps
subgeneric unranked: Crataegus [ unranked ] Tenuifoliae Sarg.
section: Crataegus sect. Tenuifoliae (Sarg.) Eggl.
series: Crataegus ser. Tenuifoliae (Sarg.) Rehder
section: Crataegus sect. Tomentosae Sarg.
subgeneric unranked: Crataegus [ unranked ] Triflorae Beadle
section: Crataegus sect. Triflorae (Beadle) C.K. Schneid.
series: Crataegus ser. Triflorae (Beadle) Rehder
subgeneric unranked: Crataegus [ unranked ] Virides (Gordon) Sarg.
section: *Crataegus sect. Virides Beadle ex Eggl.
section: Crataegus sect. Virides Gordon
series: Crataegus ser. Virides (Gordon) Rehder
species: Crataegus abbreviata Sarg.
species: Crataegus abdita Beadle
species: Crataegus abjecta Sarg.
species: Crataegus aboriginum Sarg.
species: Crataegus abstrusa Beadle
species: Crataegus acanthacolonensis Laughlin
species: Crataegus accincta Sarg.
species: Crataegus acclivis Sarg.
species: Crataegus acerba Sarg.
species: Crataegus acuminata Sarg.
species: Crataegus acutifolia Sarg.
species: Crataegus acutiloba Sarg.
species: **Crataegus acutiserrata Kruschke
species: Crataegus admiranda Sarg.
species: Crataegus adunca Beadle
species: Crataegus adusta Beadle
species: Crataegus advena Sarg.
species: Crataegus aemula Beadle
species: Crataegus aestivalis (Walter) Torr. & A. Gray
species: Crataegus affinis Sarg.
species: Crataegus agaia Sarg.
species: Crataegus agrestina Beadle
species: Crataegus alabamensis Beadle
species: Crataegus alachuana Murrill
species: Crataegus alachuaniformis Murrill
species: Crataegus alacris Sarg.
species: Crataegus albanthera Sarg.
species: Crataegus albemarlensis Ashe
species: Crataegus albicans Ashe
species: Crataegus albicera Beadle
species: Crataegus alemanniensis Cinovskis
species: Crataegus algens Beadle
species: Crataegus aliena Sarg.
species: Crataegus allecta Sarg.
species: Crataegus alleghaniensis Beadle
species: Crataegus alma Beadle
species: Crataegus almaatensis Pojark.
species: Crataegus alnifolia Siebold & Zucc.
species: Crataegus alnorum Sarg.
species: Crataegus alpinus Mill.
species: Crataegus alpista Sarg.
species: Crataegus altaica (Loudon) Lange
species: Crataegus altrix Ashe
species: Crataegus alutacea Klokov
species: Crataegus amabilis Ashe
species: Crataegus amara Ashe
species: Crataegus ambigens Sarg.
species: Crataegus ambigua C.A. Mey. ex A.K. Becker
species: Crataegus ambitiosa Sarg.
species: Crataegus ambrosia Sarg.
species: Crataegus amica Beadle
species: Crataegus amicalis Sarg.
species: Crataegus amicta Ashe
species: Crataegus amnicola Beadle
species: Crataegus amoena Sarg.
species: Crataegus ampla Sarg.
species: Crataegus ampliata Sarg.
species: Crataegus amplifica Sarg.
species: Crataegus anamesa Sarg.
species: Crataegus ancisa Beadle
species: Crataegus androssovii Essenova & Kerimova
species: Crataegus angulata Sarg.
species: Crataegus angustata Sarg.
species: Crataegus angustifolia Borkh.
species: Crataegus angustisepala Sarg.
species: Crataegus anisophylla Beadle
species: Crataegus annosa Beadle
nothospecies: Crataegus × anomala Sarg.
species: Crataegus anomala Sarg.
species: Crataegus antheina Sarg.
species: Crataegus antimima Sarg.
species: Crataegus antiplasta Sarg.
species: Crataegus aperta Sarg.
species: *Crataegus apiifolia (Marshall) Michx.
species: Crataegus apiifolia Medik.
nothospecies: Crataegus × apiomorpha Sarg.
species: Crataegus apiomorpha Sarg.
species: Crataegus apposita Sarg.
species: Crataegus aprica Beadle
species: Crataegus aquacervensis J.B. Phipps & O'Kennon
species: Crataegus aquilonaris Sarg.
species: Crataegus araioclada Sarg.
species: Crataegus arborea Beadle
species: Crataegus arborescens Elliott
species: *Crataegus arbutifolia W.T. Aiton
species: !Crataegus arbutifolia Lam.
species: Crataegus arcana Beadle
species: Crataegus arcuata Ashe
nothospecies: Crataegus × ardua Sarg.
species: Crataegus ardua Sarg.
species: Crataegus arduennae Sarg.
species: Crataegus arenicola Ashe
species: Crataegus arguta Beadle
species: Crataegus argyi H. Lév. & Vaniot
species: Crataegus aria L.
species: Crataegus aridula Sarg.
species: Crataegus arkansana Sarg.
species: Crataegus armata Beadle
species: Crataegus armena Pojark.
species: Crataegus armentalis Beadle
species: Crataegus armigera Sarg.
species: Crataegus arnoldiana Sarg.
species: Crataegus arrogans Beadle
species: Crataegus arta Beadle
species: Crataegus ascendens Sarg.
species: Crataegus ashei Beadle
species: Crataegus aspera Sarg.
species: Crataegus asperata Sarg.
species: Crataegus asperifolia Sarg.
species: Crataegus assimilis Beadle
species: Crataegus assurgens Sarg.
species: Crataegus ater Ashe
species: Crataegus atrofusca Stev. ex Fisch. & Mey.
species: *Crataegus atropurpurea Ashe
species: Crataegus atropurpurea Stewart ex Nyman
nothospecies: Crataegus × atrorubens Ashe
species: Crataegus atrorubens Ashe
species: Crataegus atrosanguinea Pojark.
species: Crataegus atrovirens J.B. Phipps & O'Kennon
species: Crataegus attenuata Ashe
species: Crataegus attrita Beadle
species: Crataegus audens Beadle
species: Crataegus augusta Sarg.
nothospecies: Crataegus × aulica Sarg.
species: Crataegus aulica Sarg.
species: Crataegus aurantia Pojark.
species: Crataegus aurea Marshall
species: Crataegus aurescens J.B. Phipps
species: Crataegus austera Sarg.
species: Crataegus austrina Beadle
species: Crataegus austromontana Beadle
species: Crataegus azarella Griseb.
species: Crataegus azarolus L.
species: Crataegus baccata Sarg.
species: Crataegus balkwillii Sarg.
species: Crataegus barbara Sarg.
species: Crataegus barbata Sarg.
species: Crataegus baroussana Eggl.
species: Crataegus barrettiana Sarg.
species: Crataegus barryana Sarg.
species: Crataegus bartoniana Sarg.
species: Crataegus bartramiana Sarg.
species: Crataegus basilica Beadle
species: Crataegus baxteri Sarg.
species: Crataegus beadlei Ashe
species: Crataegus bealii Sarg.
species: Crataegus beata Sarg.
species: Crataegus beckerana Pojark.
species: Crataegus beckiana Sarg.
species: Crataegus beckwithiae Sarg.
species: Crataegus bedfordensis Sarg.
species: Crataegus beipiaogensis S.L. Tung & X.J. Tian
species: Crataegus bella Sarg.
species: Crataegus bellatula Sarg.
species: Crataegus bellica Sarg.
species: Crataegus bellula Sarg.
species: Crataegus benigna Sarg.
species: Crataegus berberifolia Torr. & A. Gray
species: Crataegus berlandieri Sarg.
species: Crataegus bibas Lour.
nothospecies: Crataegus × bicknellii (Eggl.) Eggl.
species: Crataegus bicknellii (Eggl.) Eggl.
species: Crataegus bicolor Ashe
species: **Crataegus biloba H. Lév.
species: Crataegus biltmoreana Beadle
species: Crataegus bissellii Sarg.
species: Crataegus bisulcata Ashe
species: Crataegus blairensis Sarg.
species: Crataegus blanchardii Sarg.
species: Crataegus blanda Sarg.
species: Crataegus blandita Sarg.
species: Crataegus blothra Laughlin
species: Crataegus bodinieri H. Lév.
species: Crataegus bona Sarg.
species: Crataegus boothiana Sarg.
species: Crataegus borealis Ashe
species: Crataegus boyntonii Beadle
species: Crataegus brachyacantha Sarg. & Engelm.
species: Crataegus brachyloba Sarg.
species: Crataegus brachyphylla Sarg.
species: Crataegus brachypoda Sarg.
species: Crataegus bracteata Sarg.
species: Crataegus bracteolaris Gand.
species: Crataegus brainerdii Sarg.
species: Crataegus brazoria Sarg.
species: Crataegus brevipedicellata Ashe
species: Crataegus brevispina Kunze
species: Crataegus bristolensis Sarg.
species: Crataegus brittonii Eggl.
species: Crataegus brockwayae Sarg.
species: Crataegus bronxensis Sarg.
species: Crataegus brownietta Sarg.
species: Crataegus brownii Britton
species: Crataegus brumalis Ashe
species: Crataegus brunetiana Sarg.
species: Crataegus buckleyi Beadle
species: Crataegus burkeana Sarg.
species: Crataegus bushii Sarg.
species: Crataegus caerulescens Sarg.
species: Crataegus caesa Ashe
species: Crataegus caesariata Sarg.
species: Crataegus caliciglabra Schuette
species: Crataegus calliantha Sarg.
species: Crataegus callicarpa Sarg.
species: Crataegus callida Beadle
species: Crataegus callista Sarg.
species: Crataegus callosa Sarg.
species: Crataegus calophylla Sarg.
species: Crataegus calpodendron (Ehrh.) Medik.
species: Crataegus calva Beadle
species: Crataegus calvescens Sarg.
species: Crataegus calvinii Sarg.
nothospecies: Crataegus × calycina Peterm.
species: !Crataegus calycina Peterm.
species: Crataegus campestris Britton
species: Crataegus canadensis Sarg.
species: Crataegus canbyi Sarg.
species: Crataegus candens Sarg.
nothospecies: !Crataegus × canescens (J.B. Phipps) T.A. Dickinson & E.Y.Y. Lo
species: Crataegus carnosa Ashe
species: Crataegus carrollensis Sarg.
species: Crataegus casta Sarg.
species: Crataegus castlegarensis J.B. Phipps & O'Kennon
species: Crataegus catawbiensis Ashe
species: Crataegus caucasica K. Koch
species: Crataegus cavaleriei H. Lév. & Vaniot
species: Crataegus cavaleriei H. Lév.
nothospecies: Crataegus × celsa Sarg.
species: Crataegus celsa Sarg.
species: Crataegus celsiana Bosc
species: Crataegus cerasina Sarg.
species: Crataegus cerasoides Sarg.
species: Crataegus ceratocarpa Kossych
species: Crataegus cernua Ashe
species: Crataegus cerronis A. Nelson
species: Crataegus cestrica Sarg.
nothospecies: Crataegus × chadsfordiana Sarg.
species: Crataegus chadsfordiana Sarg.
species: Crataegus champlainensis Sarg.
species: Crataegus chantcha H. Lév.
species: Crataegus chapmanii (Beadle) Ashe
species: Crataegus chateaugayensis Sarg.
species: Crataegus cherokeensis Sarg.
species: Crataegus chippewaensis Sarg.
species: Crataegus chitaensis Sarg.
species: Crataegus chlorocarpa Lenne & C. Koch
species: Crataegus chlorosarca Maxim.
species: Crataegus choriophylla Sarg.
species: Crataegus chrysocarpa Ashe
species: Crataegus chungtienensis W.W. Sm.
species: Crataegus cibaria Beadle
species: Crataegus cibilis Ashe
species: Crataegus cicur Ashe
species: Crataegus ciliata Ashe
species: Crataegus cirrata Beadle
species: Crataegus clara Beadle
species: Crataegus claytoniana Sarg.
species: Crataegus clintoniana Sarg.
species: Crataegus coccinata Sarg.
species: Crataegus coccinea L.
species: Crataegus coccinioides Ashe
species: Crataegus cocksii Sarg.
species: Crataegus coerulea Sarg.
species: Crataegus cognata Sarg.
nothospecies: Crataegus × cogswellii K.I. Chr. & T.A. Dickinson
species: Crataegus colchica Grossh.
nothospecies: Crataegus × coleae Sarg.
species: Crataegus coleae Sarg.
nothospecies: Crataegus × collicola Ashe
species: Crataegus collicola Ashe
species: Crataegus collina Chapm.
species: Crataegus collinsiana Sarg.
species: Crataegus colonica Beadle
species: Crataegus coloradensis A. Nelson
species: Crataegus colorado Ashe
species: Crataegus coloradoides Ramaley
species: Crataegus colorata Sarg.
species: *Crataegus columbiana Sarg.
species: Crataegus columbiana Howell
species: Crataegus comans Sarg.
species: Crataegus comata Sarg.
species: Crataegus communis Beadle
species: Crataegus compacta Sarg.
species: Crataegus comparata Sarg.
species: Crataegus compitalis Beadle
species: Crataegus compta Sarg.
species: Crataegus concinna Beadle
species: Crataegus condensa Sarg.
species: Crataegus condigna Beadle
species: Crataegus conferta Sarg.
species: Crataegus confinis Sarg.
species: Crataegus confragosa Sarg.
species: Crataegus confusa Sarg.
species: Crataegus congestiflora Sarg.
species: Crataegus conjuncta Sarg.
species: Crataegus conjungens Sarg.
species: Crataegus consanguinea Beadle
species: Crataegus conspecta Sarg.
species: Crataegus conspicua Sarg.
species: Crataegus constans Beadle
species: Crataegus consueta Sarg.
species: Crataegus contigua Sarg.
species: Crataegus contortifolia Sarg.
species: Crataegus contortula Sarg.
species: Crataegus contrita Beadle
species: Crataegus cordata (Mill.) Aiton
species: Crataegus coreana H. Lév.
species: Crataegus cornellii Sarg.
species: Crataegus corporea Sarg.
nothospecies: Crataegus × corusca Sarg.
species: Crataegus corusca Sarg.
species: Crataegus crassa Ashe
species: Crataegus crassifolia Sarg.
species: Crataegus crawfordiana Sarg.
species: Crataegus craytonii Beadle
species: Crataegus crenulata Roxb.
species: Crataegus cristata Ashe
species: Crataegus crocata Ashe
species: Crataegus crocea Beadle
species: Crataegus crocina Beadle
species: Crataegus croomiana Sarg.
species: Crataegus cruda Sarg.
species: Crataegus crudelis Sarg.
species: Crataegus cruenta Ashe
species: Crataegus crus-galli L.
species: Crataegus crux Ashe
species: Crataegus cullasagensis Ashe
species: Crataegus culta Sarg.
species: Crataegus cuneata Siebold & Zucc.
species: Crataegus cuneiformis (Marshall) Eggl.
species: Crataegus cuprea Sarg.
species: Crataegus cupressocollina J.B. Phipps & O'Kennon
species: Crataegus cuprina J.B. Phipps
species: Crataegus cupulifera Sarg.
nothospecies: Crataegus × curonica Cinovskis
species: Crataegus curtisii Ashe
species: Crataegus curva Beadle
species: Crataegus curvisepala Lindm.
species: Crataegus cuspidata Spach
species: Crataegus cuthbertii Ashe
species: Crataegus cyanophylla Sarg.
species: Crataegus cyclophylla Sarg.
species: Crataegus cydonia Gruber
species: Crataegus dacrioidea Sarg.
species: Crataegus dahurica Koehne ex C.K. Schneid.
species: Crataegus dallasiana Sarg.
species: Crataegus damei Sarg.
nothospecies: Crataegus × danielsii Palmer
species: Crataegus danielsii E.J. Palmer
species: Crataegus dapsilis Beadle
species: Crataegus darlingtoniana Sarg.
species: Crataegus darvasica Pojark.
species: Crataegus dasyphylla Sarg.
species: Crataegus davisii Sarg.
species: Crataegus dawsoniana Sarg.
species: Crataegus dayana Sarg.
species: Crataegus debilis Sarg.
species: Crataegus decens Ashe
species: Crataegus declivitatis Sarg.
species: Crataegus decora Ashe
species: Crataegus decorata Sarg.
species: Crataegus deducta Sarg.
species: Crataegus delawarensis Sarg.
species: Crataegus delecta Sarg.
species: Crataegus delectabilis Sarg.
species: Crataegus delectata Sarg.
species: Crataegus delicata Sarg.
species: Crataegus delosii Sarg.
species: Crataegus deltoides Ashe
species: Crataegus delucida Sarg.
species: Crataegus demissa Sarg.
species: Crataegus denaria Beadle
nothospecies: Crataegus × densiflora Sarg.
species: *Crataegus densiflora Sarg.
species: Crataegus densiflora Desf. ex K. Koch
species: Crataegus denudata Sarg.
species: Crataegus depilis Sarg.
species: Crataegus depressa C. Presl
species: *Crataegus depressa Ashe
species: Crataegus desertorum Sarg.
nothospecies: Crataegus × desueta Sarg.
species: Crataegus desueta Sarg.
species: Crataegus detectabilis Sarg.
species: Crataegus deweyana Sarg.
species: Crataegus dewingii Sarg.
species: Crataegus diaphora Sarg.
species: Crataegus diffusa Sarg.
species: Crataegus digna Sarg.
species: Crataegus dilatata Sarg.
species: Crataegus dipyrena Pojark.
species: Crataegus discolor Sarg.
species: Crataegus disjuncta Sarg.
species: Crataegus dispar Beadle
nothospecies: Crataegus × disperma Ashe
species: Crataegus disperma Ashe
nothospecies: Crataegus × dispessa Ashe
species: Crataegus dispessa Ashe
species: Crataegus dissimilis Sarg.
species: Crataegus dissociabilis Sarg.
species: Crataegus dissona Sarg.
species: Crataegus distincta Kruschke
species: Crataegus divergens (Peck) Sarg.
species: Crataegus diversa Sarg.
nothospecies: Crataegus × divida Sarg.
species: Crataegus divida Sarg.
species: Crataegus divisifolia Sarg.
species: Crataegus doddsii Ramaley
species: Crataegus dodgei Ashe
species: Crataegus dolosa Beadle
species: Crataegus douglasii Lindl.
species: Crataegus drymophila Sarg.
species: Crataegus dshungarica Zab.
species: Crataegus dsungarica Zabel ex Lange
species: Crataegus dumetosa Sarg.
species: Crataegus dumicola Sarg.
species: Crataegus dunbarii Sarg.
nothospecies: Crataegus × dunensis Cinovskis
species: Crataegus dunmorensis Sarg.
species: Crataegus duracina Sarg.
species: Crataegus durifolia Ashe
nothospecies: Crataegus × durobrivensis
species: Crataegus durobrivensis Sarg.
species: Crataegus dzhairensis Vassilcz.
species: Crataegus eamesii Sarg.
species: Crataegus earlei Ashe
species: Crataegus eastmaniana Sarg.
species: Crataegus eatoniana Sarg.
species: Crataegus ebracteata Ashe
species: Crataegus eburnea Ashe
species: Crataegus edita Sarg.
species: Crataegus edsonii Sarg.
species: Crataegus edulis Lodd. ex Moench
species: Crataegus edura Beadle
species: Crataegus edurescens Sarg.
species: Crataegus effera Sarg.
species: Crataegus efferata Sarg.
species: Crataegus efferta Sarg.
species: Crataegus effulgens Sarg.
species: Crataegus eganii Ashe
species: Crataegus egens Beadle
species: Crataegus eggertii Britton
species: Crataegus egglestonii Sarg.
species: Crataegus egregia Beadle
species: Crataegus elliptica
species: Crataegus ellipticifolia Sarg.
nothospecies: Crataegus × ellwangeriana Sarg.
species: Crataegus ellwangeriana Sarg.
species: Crataegus elongata Sarg.
species: Crataegus emersoniana Sarg.
species: Crataegus enderbyensis J.B. Phipps & O'Kennon
species: Crataegus engelmannii Sarg.
species: Crataegus ensifera Sarg.
species: Crataegus enucleata Sarg.
species: Crataegus erecta Sarg.
species: Crataegus eriantha Pojark.
species: Crataegus errata Sarg.
species: Crataegus erubescens Sarg.
species: Crataegus erythrocarpa Ashe
species: Crataegus erythropoda Ashe
nothospecies: Crataegus × estonica Cinovskis
species: Crataegus evansiana Sarg.
species: Crataegus exclusa Sarg.
species: Crataegus exigua Sarg.
species: *Crataegus exigua Ashe
species: Crataegus exilis Beadle
species: Crataegus eximia Beadle
species: Crataegus exornata Sarg.
species: Crataegus extraria Beadle
species: Crataegus fallacina Klokov
species: Crataegus fallax Ashe
species: Crataegus fallens Gruber
species: Crataegus fallsiana Sarg.
species: Crataegus farwellii Sarg.
species: Crataegus fastosa Sarg.
species: Crataegus faxonii Sarg.
species: Crataegus fecunda Sarg.
species: Crataegus felix Sarg.
species: Crataegus fennica Kalm
species: Crataegus fera Beadle
species: Crataegus ferentaria Sarg.
species: Crataegus ferganensis Pojark.
nothospecies: Crataegus × fernaldii Sarg.
species: Crataegus fernaldii Sarg.
species: Crataegus ferox Sarg.
species: Crataegus ferrissii Ashe
species: Crataegus ferruginea Pers.
species: Crataegus ferta Sarg.
species: Crataegus fertilis Sarg.
species: Crataegus festiva Sarg.
species: Crataegus filipes Ashe
species: Crataegus finitima Sarg.
species: Crataegus firma Sarg.
species: Crataegus fischeri C.K. Schneid.
species: Crataegus flabellata (Bosc ex Spach) K. Koch
species: **Crataegus flabellata (Bosc ex Spach) Rydb.
species: Crataegus flagrans Sarg.
species: Crataegus flammata Sarg.
species: Crataegus flammea Sarg.
species: Crataegus flava Aiton
species: Crataegus flavida Sarg.
species: Crataegus flavocarnis Ashe
species: Crataegus florea Sarg.
species: Crataegus florens Beadle
species: Crataegus floridana Sarg.
species: Crataegus floridula Sarg.
species: Crataegus florifera Sarg.
species: Crataegus fluviatalis Sarg.
species: Crataegus foetida Ashe
species: Crataegus foliata Sarg.
species: Crataegus fontanesiana (Spach) Steud.
species: Crataegus forbesiae Sarg.
nothospecies: Crataegus × formosa Sarg.
species: Crataegus formosa Sarg.
species: Crataegus fortis Beadle
species: Crataegus fortunata Sarg.
species: Crataegus franklinensis Sarg.
nothospecies: Crataegus × fretalis Sarg.
species: Crataegus fretalis Sarg.
species: Crataegus fretzii Sarg.
species: Crataegus fructuosa Sarg.
species: Crataegus frugalis Beadle
species: Crataegus frugiferens Beadle
species: Crataegus frutescens Sarg.
species: Crataegus fruticosa Sarg.
species: Crataegus fucata Sarg.
species: Crataegus fucosa Sarg.
species: Crataegus fulgens Sarg.
species: Crataegus fulgida Sarg.
species: Crataegus fulleriana Sarg.
species: Crataegus fulva Sarg.
species: Crataegus furcata Sarg.
species: Crataegus furtiva Beadle
species: Crataegus fusca Sarg.
species: Crataegus galbana Beadle
species: Crataegus gattingeri Ashe
species: Crataegus gaudens Sarg.
species: Crataegus gaultii Sarg.
species: Crataegus gaylussacia A. Heller
species: Crataegus gemmosa Sarg.
species: Crataegus geneseensis Sarg.
species: Crataegus genialis Sarg.
species: Crataegus geniculata Ashe
species: Crataegus georgiana Sarg.
species: Crataegus gilbertiana Sarg.
species: Crataegus gilva Beadle
species: Crataegus glabra Thunb.
species: Crataegus glabrata Sarg.
species: Crataegus glabrifolia Sarg.
species: Crataegus glabriuscula Sarg.
species: Crataegus glandulosa Michx.
species: Crataegus glandulosa Aiton
nothospecies: Crataegus × glareosa Ashe
species: Crataegus glareosa Ashe
species: Crataegus glauca Wall. ex G. Don
species: Crataegus glaucophylla Sarg.
species: Crataegus globirimosa Murrill
species: Crataegus globosa Sarg.
species: Crataegus gloriosa Sarg.
species: Crataegus gracilior J.B. Phipps
species: Crataegus gracilipes Sarg.
nothospecies: Crataegus × gracilis Cinoskis.
species: Crataegus gracilis Sarg.
species: Crataegus graeca Spach
species: Crataegus granatensis Boiss.
species: Crataegus grandifolia J.B. Phipps
species: Crataegus grandis Ashe
species: Crataegus gratiosa Sarg.
species: Crataegus gravesii Sarg.
species: Crataegus gravida Beadle
species: Crataegus gravis Ashe
species: Crataegus grayana Eggl.
species: Crataegus gregalis Beadle
species: Crataegus greggiana Eggl.
species: Crataegus grossa Sarg.
species: Crataegus grossiserrata Ashe
species: Crataegus gruberi Ashe
species: Crataegus habereri Sarg.
species: Crataegus habilis Ashe
species: Crataegus hadleyana Sarg.
species: Crataegus haemacarpa Ashe
nothospecies: Crataegus × haemocarpa Ashe
species: Crataegus halliana Sarg.
species: Crataegus hamata Sarg.
species: Crataegus handyae Sarg.
species: Crataegus hannibalensis E.J. Palmer
species: Crataegus harbisonii Beadle
species: Crataegus hargeri Sarg.
nothospecies: Crataegus × harryi Sarg.
species: Crataegus harryi Sarg.
species: Crataegus harveyana Sarg.
species: Crataegus heidelbergensis Sarg.
species: Crataegus helderbergensis Sarg.
species: *Crataegus helenae Grynj & Klok.
species: Crataegus heleniae Sarg.
species: Crataegus helenolae Grynj & Klok.
species: Crataegus helvina Ashe
species: Crataegus henryi Dunn
species: Crataegus heterodonta Pojark.
species: Crataegus heterophylla Flüggé
species: Crataegus hiemalis Lange
species: Crataegus hillii Sarg.
species: Crataegus hirtella Sarg.
nothospecies: Crataegus × hirtiflora Sarg.
species: Crataegus hirtiflora Sarg.
species: Crataegus hispidula Sarg.
species: Crataegus hissarica Pojark.
species: Crataegus holmesiana Ashe
species: Crataegus honeoyensis Sarg.
species: Crataegus honesta Sarg.
species: Crataegus horridula Sarg.
species: Crataegus horseyi E.J. Palmer
species: Crataegus howeana Sarg.
species: Crataegus hudsonica Sarg.
species: Crataegus huntiana Sarg.
species: Crataegus hupehensis Sarg.
species: Crataegus hypolasia K. Koch
species: Crataegus hystricina Ashe
nothospecies: Crataegus × ideae Sarg.
species: Crataegus ideae Sarg.
species: Crataegus ignava Beadle
species: *Crataegus ignava Sarg.
species: Crataegus ignea Sarg.
nothospecies: Crataegus × illecebrosa Sarg.
species: Crataegus illecebrosa Sarg.
species: Crataegus illinoiensis Ashe
species: Crataegus illudens Beadle
species: Crataegus illuminata Sarg.
species: Crataegus illustris Beadle
nothospecies: Crataegus × immanis Ashe
species: Crataegus immanis Ashe
species: Crataegus immitis Ashe
species: Crataegus impar Beadle
species: Crataegus impervia Sarg.
species: Crataegus implicata Sarg.
nothospecies: Crataegus × improvisa Sarg.
species: Crataegus improvisa Sarg.
species: Crataegus inanis Beadle
species: Crataegus inaudita Sarg.
nothospecies: Crataegus × incaedua Sarg.
species: Crataegus incaedua Sarg.
species: Crataegus incana Beadle
species: Crataegus incerta Sarg.
species: Crataegus incilis Beadle
species: Crataegus incisa Sarg.
species: Crataegus incompta Sarg.
species: Crataegus indica L.
species: Crataegus indicens Ashe
species: Crataegus indigens Ashe
species: Crataegus inducta Ashe
species: Crataegus induta Sarg.
species: Crataegus inermis Sessé & Moc.
species: Crataegus infensa Sarg.
species: Crataegus infera Sarg.
species: Crataegus infesta Sarg.
species: Crataegus ingens Beadle
species: Crataegus ingrata Ashe
species: Crataegus inopina Beadle
species: Crataegus inopinata Sarg.
species: Crataegus inops Beadle
species: Crataegus insidiosa Beadle
species: Crataegus insignata Sarg.
species: Crataegus insignis Sarg.
species: Crataegus insolens Sarg.
species: Crataegus insolita Sarg.
species: Crataegus insperata Sarg.
species: Crataegus insueta Sarg.
species: Crataegus insularis Cinovskis
species: Crataegus integra (Nash) Beadle
species: Crataegus integrifolia (Roxb.) G. Klotz
species: Crataegus integrifolius Roxb.
nothospecies: Crataegus × integriloba Sarg.
species: Crataegus integriloba Sarg.
species: Crataegus interior Beadle
nothospecies: *Crataegus × intermixta Sarg.
species: !Crataegus intermixta Beck
species: *Crataegus intermixta Sarg.
species: Crataegus intricata Lange
species: Crataegus inusitula Sarg.
species: Crataegus invicta Beadle
species: Crataegus invisa Sarg.
species: Crataegus iracunda Beadle
species: Crataegus irrasa Sarg.
species: Crataegus isfajramensis Pachom.
species: Crataegus iterata Sarg.
species: Crataegus jackii Sarg.
species: Crataegus jasperensis Sarg.
species: Crataegus jejuna Sarg.
species: Crataegus jenningsii Sarg.
species: Crataegus jesupii Sarg.
species: Crataegus johnstonii J.B. Phipps
species: Crataegus jonesiae Sarg.
species: Crataegus jozana C.K. Schneid.
species: Crataegus kansuensis E.H. Wilson
species: Crataegus karadaghensis Pojark.
species: Crataegus keepii Sarg.
nothospecies: Crataegus × kellermanii Sarg.
species: Crataegus kellermanii Sarg.
nothospecies: Crataegus × kelloggii Sarg.
species: Crataegus kelloggii Sarg.
nothospecies: Crataegus × kennedyi Sarg.
species: Crataegus kennedyi Sarg.
nothospecies: Crataegus × kingstonensis Sarg.
species: Crataegus kingstonensis Sarg.
species: Crataegus kinzerae Sarg.
species: Crataegus klokovii Ivaschin
nothospecies: Crataegus × knieskerniana Sarg.
species: Crataegus knieskerniana Sarg.
species: Crataegus knorringiana Pojark.
species: Crataegus komarovii Sarg.
species: Crataegus korolkowii L. Henry
species: *Crataegus korolkowii Regel ex C.K. Schneid.
species: Crataegus kulingensis Sarg.
nothospecies: Crataegus × kupfferi Cinovskis
species: Crataegus kyrtostyla auct.
species: Crataegus lacera Sarg.
species: !Crataegus laciniata Ucria
species: Crataegus lacrimata Small
species: Crataegus laculenta Sarg.
species: Crataegus laetans Sarg.
nothospecies: Crataegus × laetifica Sarg.
species: Crataegus laetifica Sarg.
species: Crataegus laetula Sarg.
species: Crataegus laevicalyx J.X. Huang, L.Y. Sun & T.J. Feng
species: Crataegus laevigata (Poir.) DC.
species: Crataegus lanata Beadle
species: Crataegus lancei J.B. Phipps
species: Crataegus lanceolata Sarg.
nothospecies: Crataegus × laneyi Sarg.
species: Crataegus laneyi Sarg.
species: Crataegus lanigera Sarg.
species: Crataegus lanuginosa Sarg.
species: Crataegus larga Sarg.
species: Crataegus lasiantha Sarg.
species: Crataegus lassa Beadle
species: Crataegus lata Sarg.
nothospecies: Crataegus × latebrosa Sarg.
species: Crataegus latebrosa Sarg.
nothospecies: Crataegus × latica Cinovskis
species: Crataegus latiflora Sarg.
species: Crataegus latifrons Sarg.
species: Crataegus latisepala Ashe
species: Crataegus laurentiana Sarg.
species: Crataegus lauta Sarg.
nothospecies: Crataegus × lawrencensis Sarg.
species: *Crataegus lawrencensis Sarg.
species: Crataegus laxa Beadle
species: Crataegus laxiflora Sarg.
nothospecies: Crataegus × lecta Sarg.
species: Crataegus lecta Sarg.
species: Crataegus leimonia Sarg.
species: Crataegus leioclada Sarg.
species: Crataegus leiomonogyna Klokov
species: Crataegus leiophylla Sarg.
species: Crataegus lemingtonensis Sarg.
species: Crataegus lenis Beadle
species: Crataegus lennoniana Sarg.
species: Crataegus lenta Ashe
species: Crataegus lentula Ashe
species: Crataegus leonensis E.J. Palmer
species: Crataegus lepida Beadle
species: Crataegus leptalea Sarg.
species: Crataegus leptophylla Sarg.
species: Crataegus leptopoda Sarg.
species: Crataegus letchworthiana Sarg.
nothospecies: Crataegus × lettermanii Sarg.
species: Crataegus lettermanii Sarg.
species: Crataegus leucantha Laughlin
species: Crataegus levis Sarg.
species: Crataegus limaria Sarg.
species: Crataegus limata Beadle
species: Crataegus limatula Sarg.
species: Crataegus limnophila Sarg.
species: Crataegus limnophiloides Murrill
species: Crataegus limosa Sarg.
species: Crataegus lindenii Stapf
species: Crataegus lindmanii Hrab.-Uhr.
species: Crataegus lipskyi Klokov
nothospecies: Crataegus × littoralis Sarg.
species: Crataegus littoralis Sarg.
species: Crataegus livingstoniana Sarg.
species: Crataegus livoniana Sarg.
species: Crataegus lobulata Sarg.
nothospecies: Crataegus × locuples Sarg.
species: Crataegus locuples Sarg.
species: Crataegus longipedunculata Sarg.
species: Crataegus longipetiolata Sarg.
species: Crataegus longispina Sarg.
nothospecies: Crataegus × lucorum Sarg.
species: Crataegus lucorum Sarg.
species: Crataegus luculenta Sarg.
species: Crataegus ludoviciensis Sarg.
species: Crataegus lumaria Ashe
species: Crataegus luminosa Sarg.
species: Crataegus lutensis Sarg.
species: Crataegus luteola Sarg.
species: Crataegus luxuriosa Sarg.
species: Crataegus lyi H. Lév.
species: Crataegus macauleyae Sarg.
species: Crataegus macera Sarg.
species: Crataegus macilenta Beadle
species: Crataegus mackensenii Sarg.
species: Crataegus mackenziei Sarg. ex Mack.
species: Crataegus macounii Sarg.
species: Crataegus macra Beadle
species: Crataegus macracantha Lodd. ex Loudon
species: Crataegus macrocalyx Sarg.
species: Crataegus macrocarpa Hagetsch.
nothovariety: Crataegus × macrocarpa nothovar. calycina (Peterm.) Govaerts
species: Crataegus macrophylla Sarg.
species: Crataegus macropoda Sarg.
species: Crataegus macrosperma Ashe
species: Crataegus magniflora Sarg.
species: Crataegus magnifolia Sarg.
species: Crataegus maineana Sarg.
species: Crataegus maligna Sarg.
species: Crataegus maloides Sarg.
nothospecies: Crataegus × mansfieldensis Sarg.
species: Crataegus mansfieldensis Sarg.
species: Crataegus marcida Ashe
species: Crataegus margarettae Ashe
species: Crataegus maribella Sarg.
species: Crataegus mariettensis Sarg.
nothospecies: Crataegus × maritima Cinovskis
species: Crataegus marshallii Eggl.
species: Crataegus matura Sarg.
species: Crataegus maura L. f.
species: Crataegus maximowiczii C.K. Schneid.
species: Crataegus mcgeeae Ashe
nothospecies: Crataegus × media Sarg.
nothospecies: Crataegus × media Bechst.
species: Crataegus media Sarg.
species: Crataegus medioxima Sarg.
species: Crataegus megapulchra Murrill
species: Crataegus meiophylla Sarg.
species: Crataegus melanocarpa M. Bieb.
species: Crataegus mellita Sarg.
nothospecies: Crataegus × membranacea Sarg.
species: Crataegus membranacea Sarg.
nothospecies: Crataegus × menandiana Sarg.
species: Crataegus menandiana Sarg.
species: Crataegus mendosa Beadle
species: Crataegus mercerensis Sarg.
species: Crataegus meridiana Beadle
species: Crataegus meridionalis Sarg.
nothospecies: Crataegus × merita Sarg.
species: Crataegus merita Sarg.
species: Crataegus meticulosa Sarg.
species: !Crataegus mexicana DC.
species: Crataegus meyeri Pojark.
species: Crataegus michauxii Pers.
species: Crataegus michiganensis Ashe
species: Crataegus micracantha Sarg.
species: Crataegus micrantha Sarg.
species: Crataegus microcarpa Lindl.
species: Crataegus microphylla K. Koch
species: Crataegus microsperma Sarg.
species: Crataegus milleri Sarg.
species: Crataegus miniata Ashe
species: Crataegus minor Sessé & Moc.
species: Crataegus minutiflora Sarg.
species: Crataegus mira Beadle
species: Crataegus miranda Sarg.
species: Crataegus misella Sarg.
species: Crataegus missouriensis Ashe
species: Crataegus mitis Sarg.
species: Crataegus modesta Sarg.
species: Crataegus modica Sarg.
species: Crataegus mohrii Beadle
species: Crataegus mollicula Sarg.
species: Crataegus mollipes Sarg.
species: Crataegus mollis (Torr. & A. Gray) Scheele
species: Crataegus mollita Sarg.
species: Crataegus monantha Sarg.
species: Crataegus monogyna Jacq.
species: Crataegus monosperma Sarg.
species: Crataegus monstrata Sarg.
species: Crataegus monticola Cinovskis
species: Crataegus montivaga Sarg.
species: Crataegus mortonis Laughlin
species: Crataegus moselemensis Gruber
species: Crataegus moyeriana Sarg.
species: Crataegus multifida Ashe
species: Crataegus multipes Ashe
species: Crataegus multispina Ashe
species: Crataegus munda Beadle
species: Crataegus munita Sarg.
species: Crataegus myrtifolia C. Presl
species: Crataegus nananixonii J.B. Phipps & O'Kennon
species: Crataegus napaea Sarg.
species: Crataegus necopinata Pojark.
species: Crataegus nelsonii Eggl.
species: Crataegus nemoralis Sarg.
nothospecies: Crataegus × neobaxteri Sarg.
species: Crataegus neobaxteri Sarg.
species: Crataegus neobushii Sarg.
species: Crataegus neocanbyi Sarg.
species: Crataegus neofluvialis Ashe
species: Crataegus neolondinensis Sarg.
species: Crataegus nescia Sarg.
species: Crataegus newelliana Murrill
species: Crataegus nigra Waldst. & Kit
species: Crataegus nikitinii Essenova
nothospecies: Crataegus × ninae-celottiae K.I. Chr. & T.A. Dickinson
species: Crataegus nitens Sarg.
nothospecies: Crataegus × nitida Sarg.
species: Crataegus nitida (Engelm. ex Britton & A. Br.) Sarg.
nothospecies: Crataegus × nitidula Sarg.
species: Crataegus nitidula Sarg.
species: Crataegus noelensis Sarg.
species: Crataegus notabilis Sarg.
nothospecies: Crataegus × notha Sarg.
species: *Crataegus notha Sarg.
species: Crataegus noveboracensis Sarg.
species: Crataegus nubicola Beadle
nothospecies: Crataegus × nuda Sarg.
species: Crataegus nuda Sarg.
species: Crataegus numerosa Sarg.
species: Crataegus nupera Ashe
species: Crataegus nutans Sarg.
species: Crataegus oakesiana Eggl.
species: Crataegus obesa Ashe
species: Crataegus oblita Sarg.
species: Crataegus oblongifolia Sarg.
species: Crataegus obscura Sarg.
species: Crataegus obstipa Sarg.
species: Crataegus obtecta Ashe
species: Crataegus obtusifolia Pers.
species: Crataegus occidentalis Britton
species: Crataegus odoratissima G. Don
species: Crataegus ogdensburgensis Sarg.
species: Crataegus ohioensis Sarg.
species: Crataegus okanaganensis J.B. Phipps & O'Kennon
species: Crataegus okennonii J.B. Phipps
species: Crataegus olida Ashe
species: Crataegus olivacea Sarg.
species: Crataegus onusta Ashe
species: Crataegus opaca Hook. & Arn.
species: Crataegus operta Ashe
species: Crataegus opica Ashe
species: Crataegus opima Beadle
species: Crataegus opulens Sarg.
species: Crataegus orbicularis J.B. Phipps & O'Kennon
species: Crataegus oreophila Lance
species: Crataegus oresbia W.W. Sm.
species: Crataegus orientalis Pall. ex Bieb.
species: Crataegus orientobaltica Cinovskis
species: Crataegus ornata Sarg.
species: Crataegus osiliensis Cinovskis
species: Crataegus otiosa Ashe
species: Crataegus ouachitensis E.J. Palmer
species: Crataegus ovata Sarg.
species: Crataegus ovatifolia Sarg.
species: *Crataegus oxyacantha L.
species: Crataegus oxyacanthoides Thuill.
species: Crataegus pachyphylla Sarg.
species: Crataegus pactilis Ashe
species: Crataegus paddockiae Sarg.
species: Crataegus padifolia Sarg.
species: Crataegus pagensis Sarg.
species: Crataegus paineana Sarg.
species: Crataegus painteriana Sarg.
species: Crataegus pallasii Griseb.
species: Crataegus pallens Beadle
species: Crataegus pallescens Sarg.
species: Crataegus palliata Sarg.
species: Crataegus pallidula Sarg.
species: Crataegus palmeri Sarg.
species: Crataegus palmstruchii Lindm.
species: Crataegus paludosa Sarg.
species: Crataegus palustris Ashe
species: Crataegus pamiroalaica Zaprjagaeva
species: Crataegus panda Beadle
species: *Crataegus panda Ashe
species: Crataegus paradoxa Sarg.
species: Crataegus parca Ashe
species: Crataegus parciflora Sarg.
species: Crataegus parkiae Sarg.
species: Crataegus parryana Eggl.
species: Crataegus parviflora Sarg.
species: Crataegus parvifolia Aiton
species: Crataegus parvula Sarg.
species: Crataegus pascens Ashe
species: Crataegus pastorum Sarg.
species: Crataegus patrum Sarg.
species: *Crataegus pauciflora (Poir.) Pers.
species: Crataegus paucispina Sarg.
nothospecies: Crataegus × pausiaca Ashe
species: Crataegus pausiaca Ashe
species: Crataegus pearsonii Ashe
species: Crataegus pechiana Sarg.
species: Crataegus peckietta Sarg.
species: Crataegus peckii Sarg.
species: Crataegus pectinata (Dum. Cours.) Bosc
species: Crataegus pedicellata Sarg.
species: Crataegus pelacris Sarg.
species: Crataegus pellecta Sarg.
species: Crataegus pellucidula Sarg.
species: Crataegus penita Beadle
species: Crataegus pennsylvanica Ashe
species: Crataegus pennypackeri Sarg.
species: Crataegus pentagyna Waldst.
species: Crataegus pentandra Sarg.
species: Crataegus pentaneura Ashe
species: Crataegus pentasperma Ashe
species: Crataegus peoriensis Sarg.
species: Crataegus pequotorum Sarg.
species: Crataegus peramoena Sarg.
species: Crataegus perampla Sarg.
species: Crataegus peregrina Sarg.
species: Crataegus perjucunda Sarg.
species: Crataegus perlaeta Sarg.
species: Crataegus perlevis Ashe
species: Crataegus permera Sarg.
nothospecies: Crataegus × permixta E.J. Palmer
species: Crataegus permixta E.J. Palmer
species: Crataegus perrara Sarg.
species: Crataegus persimilis Sarg.
species: Crataegus persistens Sarg.
species: Crataegus perspicabilis Sarg.
species: Crataegus pertomentosa Ashe
species: Crataegus pexa Beadle
species: Crataegus phaenopyrum (L. f.) Medik.
species: Crataegus phaneroneura Sarg.
species: Crataegus philadelphica Sarg.
species: Crataegus phippsii O'Kennon
species: Crataegus phlebodia Sarg.
species: Crataegus picta Sarg.
species: Crataegus pilifera Sarg.
nothospecies: Crataegus × pilosa Sarg.
species: Crataegus pilosa Sarg.
species: Crataegus pinetorum Beadle
species: Crataegus pinguis Sarg.
species: Crataegus pinnatifida Bunge
species: Crataegus piperi Britton
species: Crataegus pisifera Sarg.
species: Crataegus placens Sarg.
species: Crataegus placiva Sarg.
species: Crataegus placiva Sarg.
species: Crataegus plagiosepala Pojark.
species: Crataegus plana Sarg.
species: Crataegus platycarpa Sarg.
species: Crataegus pojarkovae Kossych
species: Crataegus poliophylla Sarg.
species: Crataegus polita Sarg.
species: Crataegus poloniensis Cinovskis
species: Crataegus polybracteata Ashe
species: Crataegus polyclada Sarg.
species: Crataegus pontica C. Koch
species: Crataegus popovii Chrshan.
species: Crataegus populifolia Walter
species: Crataegus populnea Ashe
species: Crataegus porracea Ashe
species: Crataegus porrecta Ashe
species: Crataegus porteri Britton
species: Crataegus praearmata Klokov
species: Crataegus praeclara Sarg.
species: *Crataegus praecoqua Sarg.
species: Crataegus praecox Sarg.
species: Crataegus praeformosa Murrill
species: Crataegus praestans Sarg.
species: Crataegus praetermissa Sarg.
species: Crataegus pratensis Sarg.
species: Crataegus premora Ashe
species: Crataegus pringlei Sarg.
species: Crataegus prinoides Sarg.
species: Crataegus prismatica Ashe
species: Crataegus procera Sarg.
species: Crataegus proctoriana Sarg.
species: Crataegus promiens Sarg.
species: Crataegus promissa Sarg.
species: Crataegus prona Ashe
species: Crataegus propensa Sarg.
species: Crataegus propinqua Ashe
species: Crataegus propixa Sarg.
species: Crataegus propria Sarg.
species: Crataegus pruinosa (H.L. Wendl.) K. Koch
species: *Crataegus prunifolia Pers.
species: Crataegus prunifolia (Marshall) Baumg.
species: Crataegus pseudoambigua Pojark.
species: Crataegus pseudoazarolus Popov
species: Crataegus pseudoheterophylla Pojark.
species: Crataegus pseudokyrtostyla Klokov
species: Crataegus pseudomelanocarpa M. Pop. ex Pojark.
nothospecies: Crataegus × pseudooxyacantha Cinovskis
species: Crataegus pseudosanguinea M. Pop. ex Pojark.
nothospecies: Crataegus × puberis Sarg.
species: Crataegus puberis Sarg.
species: *Crataegus pubescens Steud.
species: **Crataegus pubescens S. Watson
species: !Crataegus pubescens (C. Presl) C. Presl
species: Crataegus pubifolia Ashe
species: Crataegus pubipes Ashe
species: Crataegus pudens Sarg.
species: Crataegus pulcherrima Ashe
species: Crataegus pulchra Sarg.
species: Crataegus pulla Beadle
species: Crataegus pumila Sarg.
species: Crataegus punctata Jacq.
species: Crataegus pura Sarg.
species: Crataegus purpurea J.A. Bosc ex DC.
species: Crataegus purpurella J.B. Phipps & O'Kennon
species: Crataegus pusilla Sarg.
species: Crataegus puta Sarg.
nothospecies: Crataegus × putata Sarg.
species: Crataegus putata Sarg.
species: Crataegus putnamiana Sarg.
species: Crataegus pygmaea Sarg.
species: Crataegus pyracantha (L.) Medik.
species: Crataegus pyracanthifolia Wender.
species: *Crataegus pyracanthifolia (Aiton) G. Don
species: Crataegus pyracanthoides Beadle
species: Crataegus pyramidata Sarg.
species: Crataegus pyrifolia Lam.
species: *Crataegus pyrifolia Aiton
species: !Crataegus pyriformis Jacques
species: *Crataegus pyriformis Britton
species: Crataegus pyripulchra Murrill
species: Crataegus quaesita Beadle
species: Crataegus quercina Ashe
species: Crataegus quinebaugensis Sarg.
species: Crataegus quitensis Benth.
species: Crataegus radians Sarg.
species: Crataegus radiata Sarg.
species: Crataegus radina Sarg.
species: Crataegus radiosa Sarg.
species: Crataegus raleighensis Ashe
species: Crataegus ramosa Sarg.
nothospecies: Crataegus × randiana Sarg.
species: Crataegus randiana Sarg.
species: Crataegus rara Sarg.
species: Crataegus rava Beadle
species: Crataegus ravenelii Sarg.
species: Crataegus ravida Ashe
species: Crataegus recedens Sarg.
species: Crataegus recordabilis Sarg.
species: Crataegus recta Sarg.
species: Crataegus recurva Beadle
species: Crataegus redolens Ashe
species: Crataegus regalis Beadle
species: Crataegus relicta Sarg.
species: Crataegus remota Sarg.
species: Crataegus remotilobata Raikova ex Popov
species: Crataegus repentina Sarg.
species: Crataegus repulsans Sarg.
species: Crataegus resecta Ashe
species: Crataegus reses Ashe
species: Crataegus resima Beadle
species: Crataegus retrusa Ashe
species: Crataegus reverchonii Sarg.
species: Crataegus rhipidophylla Gand.
species: Crataegus rhodella Ashe
species: Crataegus rhombifolia Sarg.
species: Crataegus ridgwayi Sarg.
species: Crataegus rigens Beadle
species: Crataegus rigida Sarg.
species: Crataegus rimosa Beadle
species: Crataegus rimosiformis Murrill
species: Crataegus riparia Ashe
species: Crataegus rivalis Sarg.
species: Crataegus rivularis Nutt.
species: Crataegus rivuloadamensis J.B. Phipps & O'Kennon
species: Crataegus rivulopugnensis J.B. Phipps & O'Kennon
species: Crataegus roanensis Ashe
species: Crataegus robbinsoniana Sarg.
species: Crataegus robesoniana Sarg.
species: Crataegus robinsonii Sarg.
species: Crataegus robur Beadle
species: Crataegus robusta Sarg.
species: Crataegus roribacca Ashe
species: Crataegus rosei Eggl.
species: Crataegus rotunda Sarg.
nothospecies: Crataegus × rotundata Sarg.
species: Crataegus rotundata Sarg.
species: Crataegus rotundifolia Moench
species: Crataegus rubella Beadle
species: Crataegus rubens Cinovskis
species: Crataegus rubescens Ashe
species: Crataegus rubicunda Sarg.
species: Crataegus rubicundula Sarg.
species: Crataegus rubra Lour.
species: Crataegus rubribracteolata J.B. Phipps & O'Kennon
species: Crataegus rubrifolia Sarg.
species: Crataegus rubrisepala Sarg.
nothospecies: Crataegus × rubrocarnea Sarg.
species: Crataegus rubrocarnea Sarg.
species: Crataegus rubrolutea Sarg.
species: Crataegus rudis Sarg.
species: Crataegus rufipes Ashe
nothospecies: Crataegus × rufula Sarg.
species: Crataegus rugosa Ashe
species: Crataegus rupestris Ashe
nothospecies: Crataegus × rupicola Sarg.
species: *Crataegus rupicola Sarg.
species: Crataegus ruricola Sarg.
species: Crataegus russanovii Cinovskis
species: Crataegus russata Sarg.
species: Crataegus rustica Beadle
species: Crataegus ruthiana Sarg.
species: Crataegus rutila Sarg.
species: Crataegus sabineana Ashe
species: Crataegus saeva Sarg.
species: Crataegus saligna Greene
species: Crataegus sanguinea Pall.
species: Crataegus sargentii Beadle
species: Crataegus sarniensis Sarg.
species: Crataegus saturata Sarg.
species: Crataegus saundersiana Sarg.
species: Crataegus sauratonae Ashe
species: Crataegus saxatilis Sarg.
species: Crataegus scabera Sarg.
species: Crataegus scabra Sarg.
species: Crataegus scabrida Sarg.
species: Crataegus scabrifolia (Franch.) Rehder
species: Crataegus scabriuscula Sarg.
species: Crataegus schizophylla Eggl.
species: Crataegus schneckii Ashe
species: Crataegus schraderana Ledeb.
species: Crataegus schuettei Ashe
species: Crataegus schweinitziana Sarg.
species: Crataegus scitula Sarg.
species: Crataegus scopulorum Sarg.
species: Crataegus scorna Sarg.
species: Crataegus searsii Sarg.
species: Crataegus seclusa Sarg.
species: *Crataegus seclusa Sarg.
species: Crataegus secreta J.B. Phipps
species: Crataegus secta Sarg.
species: Crataegus sectilis Ashe
species: Crataegus seducta Sarg.
species: Crataegus segnis Beadle
species: Crataegus sejuncta Sarg.
species: Crataegus senta Beadle
species: Crataegus sequax Ashe
species: Crataegus sera Sarg.
species: Crataegus serena Sarg.
species: Crataegus serratifolia Desf.
species: Crataegus serratissima J.B. Phipps
species: Crataegus sertata Sarg.
species: Crataegus setosa Sarg.
species: Crataegus severa Sarg.
species: Crataegus sextilis Sarg.
species: Crataegus shaferi Ashe
species: Crataegus shallotte Ashe
species: Crataegus shandongensis F.Z. Li & W.D. Peng
species: Crataegus sheila-phippsiae J.B. Phipps & O'Kennon
species: Crataegus shensiensis Pojark.
species: Crataegus sheridana A. Nelson
species: Crataegus shinnersii Kruschke
nothospecies: Crataegus × shirleyensis Sarg.
species: Crataegus shirleyensis Sarg.
species: Crataegus shuswapensis J.B. Phipps & O'Kennon
nothospecies: Crataegus × sicca Sarg.
species: Crataegus sicca Sarg.
species: Crataegus siderea Sarg.
species: Crataegus signata Beadle
nothospecies: Crataegus × silvestris Sarg.
species: Crataegus silvestris Sarg.
species: *Crataegus silvicola Beadle
species: Crataegus silvicola Gand.
species: Crataegus simulans Sarg.
nothospecies: Crataegus × simulata Sarg.
species: *Crataegus simulata Sarg.
species: Crataegus singularis Sarg.
species: Crataegus sinistra Beadle
species: Crataegus sitiens Ashe
species: Crataegus slavinii Sarg.
species: Crataegus smithii Sarg.
species: Crataegus sodalis Beadle
species: Crataegus songarica K. Koch
species: *Crataegus songorica Regel
species: Crataegus sonnenbergensis Sarg.
species: Crataegus sordida Sarg.
species: Crataegus sororia Beadle
species: Crataegus spathulata Michx.
species: Crataegus spatifolia Sarg.
nothospecies: Crataegus × spatiosa Sarg.
species: Crataegus spatiosa Sarg.
species: Crataegus speciosa Sarg.
species: Crataegus spes-aestatum J.B. Phipps
species: Crataegus sphaenophylla Pojark.
species: Crataegus spicata Lam.
species: Crataegus spinea Sarg.
species: Crataegus spinifera Sarg.
species: Crataegus spinulosa Sarg.
species: Crataegus spissa Sarg.
species: Crataegus spissiflora Sarg.
species: Crataegus splendida Sarg.
species: Crataegus stankovii Kossych
species: Crataegus stellata Sarg.
species: Crataegus stenophylla Sarg.
species: Crataegus stenosepala Sarg.
species: Crataegus stephanostyla H. Lév. & Vaniot
species: Crataegus steubenensis Sarg.
species: Crataegus stevenii Pojark.
species: Crataegus stevensiana Sarg.
species: **Crataegus stipulosa Steud.
species: !Crataegus stipulosa (Kunth) Steud.
species: Crataegus stolonifera Sarg.
species: Crataegus stonei Sarg.
species: Crataegus straminea Beadle
species: Crataegus stratfordensis Sarg.
species: Crataegus streeterae Sarg.
species: Crataegus strigosa Sarg.
species: Crataegus strongylophylla Sarg.
species: Crataegus structilis Ashe
species: Crataegus suavis Sarg.
species: Crataegus subaudens Murrill
species: Crataegus subborealis Cinovskis
species: Crataegus subflavida Murrill
species: Crataegus subfusca Ledeb. ex Nordm.
species: Crataegus sublobulata Sarg.
species: Crataegus submollis Sarg.
species: Crataegus suborbiculata Sarg.
species: Crataegus subpaludosa Murrill
species: Crataegus subpilosa Sarg.
species: Crataegus subrotunda Klokov
species: Crataegus subrotundifolia Sarg.
species: Crataegus subserrata Benth.
species: **Crataegus subvillosa Schrad. ex Torr. & A. Gray
species: Crataegus subviridis Beadle
species: Crataegus succincta Sarg.
species: Crataegus succulenta Schrad. ex Link
species: Crataegus sucida Sarg.
species: Crataegus suksdorfii (Sarg.) Kruschke
species: Crataegus sulfurea J.B. Phipps
species: Crataegus superata Sarg.
species: Crataegus sutherlandensis Sarg.
species: Crataegus swanensis Sarg.
species: Crataegus sylvestris
species: Crataegus szovitsii Pojark.
species: Crataegus taetrica Sarg.
species: Crataegus tanacetifolia (Lam.) Pers.
species: Crataegus tanaitica Klokov
species: Crataegus tangchungchangii F.P. Metcalf
species: Crataegus tantula Sarg.
species: Crataegus tanuphylla Sarg.
species: Crataegus taquetii H. Lév.
species: Crataegus tarda Sarg.
species: Crataegus tardiflora Sarg.
species: Crataegus tardipes Sarg.
species: Crataegus tatnalliana Sarg.
species: Crataegus taurica Pojark.
species: Crataegus tecta Beadle
species: Crataegus tenax Ashe
species: Crataegus tenella Ashe
species: Crataegus tenera Ashe
species: Crataegus tennowana A. Nelson
species: *Crataegus tenuifolia Kom.
species: Crataegus tenuifolia Britton
species: Crataegus tenuiloba Sarg.
species: Crataegus tenuior J.B. Phipps
species: Crataegus tenuis Sarg.
species: Crataegus tenuisepala Sarg.
species: Crataegus tenuispina Sarg.
species: Crataegus tenuissima Sarg.
species: Crataegus teres Beadle
species: Crataegus tersa Beadle
species: Crataegus tetrica Beadle
species: Crataegus texana Buckley
species: Crataegus thayeri Sarg.
species: Crataegus thermopegaea E.J. Palmer
species: Crataegus tianschanica Pojark.
species: Crataegus tinctoria Ashe
species: Crataegus tisdalei Murrill
species: Crataegus tomentosa L.
species: Crataegus torminalis L.
species: Crataegus torta Sarg.
species: Crataegus tortilis Ashe
species: Crataegus tortuosa Sarg.
species: Crataegus torva Beadle
species: Crataegus tournefortii Griseb.
species: Crataegus trachyphylla Sarg.
species: Crataegus tracyi Ashe ex Eggl.
species: Crataegus trahax Ashe
species: Crataegus transcaspica Pojark.
species: Crataegus transmississippiensis Sarg.
species: Crataegus treleasei Sarg.
species: Crataegus trianthophora Sarg.
species: Crataegus tribulosa Sarg.
species: Crataegus triflora Chapm.
species: Crataegus trilobata Labill. ex Poir.
species: Crataegus triosteum Gruber
species: Crataegus tripartita Sarg.
species: Crataegus trisperma Ashe
species: Crataegus tristis Beadle
species: Crataegus triumphalis Sarg.
species: Crataegus truculenta Sarg.
species: Crataegus truncata Sarg.
species: Crataegus tumida Sarg.
species: Crataegus turcomanica Pojark.
species: Crataegus turkestanica Pojark.
species: Crataegus turnerorum Enquist
species: Crataegus twiningii Sarg.
species: Crataegus uber Ashe
species: Crataegus ucrainica Pojark.
species: Crataegus umbratilis Sarg.
species: Crataegus umbrosa Sarg.
species: Crataegus uncta Sarg.
species: Crataegus uniflora Münchh.
species: Crataegus uniqua Sarg.
species: Crataegus uplandia Sarg.
species: Crataegus urbana Sarg.
species: Crataegus ursopedensis J.B. Phipps & O'Kennon
species: Crataegus uticaensis Sarg.
species: Crataegus uvaldensis Sarg.
species: Crataegus vaga Sarg.
nothospecies: Crataegus × vailiae Britton
species: Crataegus vailiae Britton
species: Crataegus valens Ashe
species: Crataegus valida Beadle
species: Crataegus vallicola Sarg.
species: Crataegus varians Sarg.
species: Crataegus vegeta Sarg.
species: Crataegus vegrandis Sarg.
species: Crataegus velata Ashe
species: Crataegus velutina Sarg.
species: Crataegus venosa Ashe
species: Crataegus venulosa Sarg.
species: Crataegus venusta Beadle
species: Crataegus venustula Sarg.
species: Crataegus verecunda Sarg.
species: Crataegus verna Ashe
species: Crataegus vernans Ashe
species: Crataegus verrucalis Peck ex Sarg.
nothospecies: Crataegus × verruculosa Sarg.
species: *Crataegus verruculosa Sarg.
species: Crataegus versuta Beadle
species: Crataegus vesca Ashe
species: Crataegus viaria Beadle
species: Crataegus viatica Ashe
species: Crataegus viburnifolia Sarg.
species: Crataegus vicana Beadle
species: Crataegus vicina Sarg.
species: Crataegus vicinalis Beadle
species: Crataegus victorinii Sarg.
nothospecies: Crataegus × viidumaegica Cinovskis
species: Crataegus villaris Beadle
species: Crataegus villicarpa Sarg.
species: Crataegus villiflora Sarg.
species: *Crataegus villosa Thunb.
species: Crataegus villosa Thunb.
species: Crataegus viminea Ashe
species: Crataegus virella Ashe
species: Crataegus virgata Ashe
species: Crataegus viridimontana Sarg.
species: Crataegus viridis L.
species: Crataegus virilis Sarg.
species: Crataegus visenda Beadle
species: Crataegus visendiformis Murrill
species: Crataegus vitellina Ashe
nothospecies: Crataegus × vittata Ashe
species: Crataegus vittata Ashe
species: Crataegus vivida Sarg.
species: Crataegus volgensis Pojark.
species: Crataegus vulsa Beadle
species: Crataegus warneri Sarg.
species: Crataegus watsonii Murrill
species: Crataegus wattiana Hemsl. & Lace
nothospecies: Crataegus × websteri Sarg.
species: Crataegus websteri Sarg.
species: Crataegus wheeleri A. Nelson
species: *Crataegus wheeleri Sarg.
nothospecies: Crataegus × whitakeri Sarg.
nothospecies: Crataegus × whitakeri Sarg.
species: Crataegus wilkinsonii Ashe
species: Crataegus williamsii Eggl.
species: Crataegus wilmorensis Sarg.
species: Crataegus wilsonii Sarg.
species: Crataegus wisconsinensis Kruschke
species: Crataegus wootoniana Eggl.
species: Crataegus xanthocarpos Medik.
nothospecies: Crataegus × xanthophylla Sarg.
species: Crataegus xanthophylla Sarg.
species: Crataegus yadkinensis Ashe
species: Crataegus youngii Sarg.
species: Crataegus zangezura Pojark.