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: !Horkelia Cham. & Schltdl.   Go to name

Lower Taxa subgeneric unranked: Horkelia [ unranked ] Ambiguae A. Gray
subgeneric unranked: Horkelia [ unranked ] Californicae Rydb.
section: Horkelia sect. Californicae (Rydb.) O. Stevens
subgeneric unranked: Horkelia [ unranked ] Capitatae Rydb.
section: **Horkelia sect. Capitatae (Rydb.) Ertter & Reveal
section: Horkelia sect. Capitatae (Rydb.) O. Stevens
subgeneric unranked: Horkelia [ unranked ] Cuneatae Rydb.
section: Horkelia sect. Cuneatae (Rydb.) O. Stevens
subgeneric unranked: Horkelia [ unranked ] Eremicae Rydb.
subgeneric unranked: Horkelia [ unranked ] Hirsutae Rydb.
section: Horkelia sect. Hirsutae (Rydb.) O. Stevens
section: Horkelia sect. Hispidulae Ertter & Reveal
section: Horkelia sect. Horkelia
subgenus: Horkelia subgen. Horkeliella Rydb.
subgeneric unranked: Horkelia [ unranked ] Lycopodioides Rydb.
section: Horkelia sect. Parryae Ertter & Reveal
subgeneric unranked: Horkelia [ unranked ] Purpurascentes Rydb.
subgeneric unranked: Horkelia [ unranked ] Saxosae Rydb.
subgeneric unranked: Horkelia [ unranked ] Sericatae Rydb.
section: Horkelia sect. Sericatae (Rydb.) O. Stevens
subgeneric unranked: Horkelia [ unranked ] Tenuilobae Rydb.
section: Horkelia sect. Tenuilobae (Rydb.) O. Stevens
subgeneric unranked: Horkelia [ unranked ] Tridentatae Rydb.
section: Horkelia sect. Tridentatae (Rydb.) O. Stevens
subgeneric unranked: Horkelia [ unranked ] Unguiculatae Rydb.
species: Horkelia argyrocoma Rydb.
species: Horkelia arrhiza (L.) Druce
species: Horkelia baileyi (S. Watson) Rydb.
species: Horkelia beneolens A. Nelson & J.F. Macbr.
species: Horkelia bernardina Rydb.
species: Horkelia bolanderi A. Gray
species: Horkelia brevibracteata Wiggins
species: Horkelia brownii Rydb.
species: Horkelia californica Cham. & Schltdl.
species: Horkelia campestris (M.E. Jones) Rydb.
species: Horkelia capitata Lindl.
species: Horkelia caruifolia Rydb. ex Howell
species: Horkelia chaetophora Rydb.
species: Horkelia chandleri Rydb.
species: Horkelia clevelandii (Greene) Rydb.
species: Horkelia congdonis Rydb.
species: Horkelia congesta Douglas ex Hook.
species: Horkelia cuneata Lindl.
species: Horkelia daucifolia (Greene) Rydb.
species: Horkelia elata (Greene) Rydb.
species: Horkelia eremica (Coville) Rydb.
species: Horkelia flavescens Rydb.
species: Horkelia frondosa (Greene) Rydb.
species: Horkelia fusca Lindl.
species: Horkelia glandulosa Eastw.
species: Horkelia gordonii Hook.
species: Horkelia hendersonii Howell
species: Horkelia hirsuta Lindl.
species: Horkelia hispidula Rydb.
species: Horkelia howellii (Greene) Rydb.
species: Horkelia integrifolia Rydb.
species: Horkelia kelloggii Greene
species: Horkelia kingii (S. Watson) Rydb.
species: Horkelia laxiflora (Drew) Rydb.
species: Horkelia lycopodioides (A. Gray) Rydb.
species: Horkelia marinensis (Elmer) Crum
species: Horkelia micheneri (Greene) Rydb.
species: Horkelia mollis Eastw.
species: Horkelia muirii (A. Gray) Rydb.
species: Horkelia multifoliolata Torr.
species: Horkelia mutabilis Brandegee
species: Horkelia myriophylla Greene
species: *Horkelia parryi (S. Watson) Rydb.
species: Horkelia parryi Greene
species: Horkelia parviflora Nutt. ex Hook. & Arn.
species: Horkelia pickeringii (Torr. ex A. Gray) Rydb.
species: Horkelia pinetorum (Coville) Rydb.
species: Horkelia platycalyx Rydb.
species: Horkelia platypetala Rydb.
species: *Horkelia pseudocapitata Rydb.
species: Horkelia pseudocapitata Rydb. ex Howell
species: Horkelia puberula Rydb.
species: Horkelia pulchra Rydb.
species: Horkelia purpurascens S. Watson
species: Horkelia pygmaea (A. Gray) Rydb.
species: Horkelia rydbergii Elmer
species: Horkelia sabulosa (M.E. Jones) L.O. Williams
species: Horkelia saxosa (Lemmon ex Greene) Rydb.
species: Horkelia scandularis Rydb.
species: Horkelia sericata S. Watson
species: Horkelia sericea (A. Gray) Rydb.
species: Horkelia sericoleuca Rydb.
species: Horkelia shockleyi (S. Watson) Rydb.
species: Horkelia tenella (S. Watson) Rydb.
species: Horkelia tenuiloba (Torr.) A. Gray
species: Horkelia tenuisecta Rydb.
species: Horkelia tilingii Regel
species: Horkelia tridentata Torr.
species: Horkelia truncata Rydb.
species: Horkelia tularensis (J.T. Howell) Munz
species: Horkelia tweedyi (Rydb.) A. Nelson & J.F. Macbr.
species: Horkelia utahensis (S. Watson) Rydb.
species: Horkelia webberi (A. Gray) Rydb.
species: Horkelia wilderae Parish
species: Horkelia yadonii Ertter