| Fabaceae | |
Acaciella angulosa
| (Bertol.) Britton & Rose | N. Amer. Fl. 23(2): 100 | 1928 |
| Fabaceae | |
Acaciella angustissima
| (Mill.) Britton & Rose | N. Amer. Fl. 23(2): 100 | 1928 |
| Fabaceae | |
Acaciella bakeri
| Britton & Rose | N. Amer. Fl. 23(2): 99 | 1928 |
| Fabaceae | |
Acaciella barrancana
| (Gentry) L. Rico | Anales Jard. Bot. Madrid 63: 207 | 2006 |
| Fabaceae | |
Acaciella bicolor
| Britton & Rose | N. Amer. Fl. 23(2): 102 | 1928 |
| Fabaceae | |
Acaciella breviracemosa
| Britton & Rose | N. Amer. Fl. 23(2): 99 | 1928 |
| Fabaceae | |
Acaciella calderonii
| (Standl.) Britton & Rose | N. Amer. Fl. 23(2): 99 | 1928 |
| Fabaceae | |
Acaciella carbonaria
| (Schltdl.) Britton & Rose | N. Amer. Fl. 23(2): 98 | 1928 |
| Fabaceae | |
Acaciella chamelensis
| (L. Rico) L. Rico | Anales Jard. Bot. Madrid 63: 209 | 2006 |
| Fabaceae | |
Acaciella ciliata
| Britton & Rose | N. Amer. Fl. 23(2): 101 | 1928 |
| Fabaceae | |
Acaciella costaricensis
| Britton & Rose | N. Amer. Fl. 23(2): 101 | 1928 |
| Fabaceae | |
Acaciella crinita
| (Brandegee) Britton & Rose | N. Amer. Fl. 23(2): 105 | 1928 |
| Fabaceae | |
Acaciella cumingii
| (Benth.) Britton & Rose | N. Amer. Fl. 23(2): 104 | 1928 |
| Fabaceae | |
Acaciella curassavica
| Britton & Killip ex Killip | J. Wash. Acad. Sci. 24(1): 47 | 1934 |
| Fabaceae | |
Acaciella delicata
| Britton & Rose | N. Amer. Fl. 23(2): 100 | 1928 |
| Fabaceae | |
Acaciella durangensis
| Britton & Rose | N. Amer. Fl. 23(2): 105 | 1928 |
| Fabaceae | |
Acaciella elongata
| Britton & Rose | N. Amer. Fl. 23(2): 99 | 1928 |
| Fabaceae | |
Acaciella ferrisiae
| Britton & Rose | N. Amer. Fl. 23(2): 101 | 1928 |
| Fabaceae | |
Acaciella filicioides
| (Cav.) Britton & Rose | N. Amer. Fl. 23(2): 100 | 1928 |
| Fabaceae | |
Acaciella fisheri
| Britton & Rose | N. Amer. Fl. 23(2): 99 | 1928 |
| Fabaceae | |
Acaciella glauca
| (L.) L. Rico | Anales Jard. Bot. Madrid 63(2): 210 | 2006 |
| Fabaceae | |
Acaciella goldmanii
| Britton & Rose | N. Amer. Fl. 23(2): 99 | 1928 |
| Fabaceae | |
Acaciella hartwegii
| (Benth.) Britton & Rose | N. Amer. Fl. 23(2): 102 | 1928 |
| Fabaceae | |
Acaciella hirsuta
| (Schltdl.) Britton & Rose | N. Amer. Fl. 23(2): 99 | 1928 |
| Fabaceae | |
Acaciella hirta
| (Nutt.) Britton & Rose | N. Amer. Fl. 23(2): 102 | 1928 |
| Fabaceae | |
Acaciella holtonii
| Britton & Killip | Ann. New York Acad. Sci. 35(3): 140–141 | 1936 |
| Fabaceae | |
Acaciella holwayi
| Britton & Rose | N. Amer. Fl. 23(2): 103 | 1928 |
| Fabaceae | |
Acaciella houghii
| Britton & Rose | N. Amer. Fl. 23(2): 103 | 1928 |
| Fabaceae | |
Acaciella igualensis
| Britton & Rose | N. Amer. Fl. 23(2): 102–103 | 1928 |
| Fabaceae | |
Acaciella laevis
| (Standl.) Britton & Rose | N. Amer. Fl. 23(2): 104 | 1928 |
| Fabaceae | |
Acaciella lemmonii
| (Rose) Britton & Rose | N. Amer. Fl. 23(2): 103 | 1928 |
| Fabaceae | |
Acaciella leucothrix
| (Standl.) Britton & Rose | N. Amer. Fl. 23(2): 103 | 1928 |
| Fabaceae | |
Acaciella martensis
| Britton & Killip | Ann. New York Acad. Sci. 35(3): 140 | 1936 |
| Fabaceae | |
Acaciella oerstedii
| Britton & Rose | N. Amer. Fl. 23(2): 104 | 1928 |
| Fabaceae | |
Acaciella ortegae
| Britton & Rose | N. Amer. Fl. 23(2): 106 | 1928 |
| Fabaceae | |
Acaciella painteri
| Britton & Rose | N. Amer. Fl. 23(2): 102 | 1928 |
| Fabaceae | |
Acaciella penicillata
| (Standl.) Britton & Rose | N. Amer. Fl. 23(2): 104 | 1928 |
| Fabaceae | |
Acaciella polypodioides
| (Standl.) Britton & Rose | N. Amer. Fl. 23(2): 98 | 1928 |
| Fabaceae | |
Acaciella prostrata
| Britton & Rose | N. Amer. Fl. 23(2): 102 | 1928 |
| Fabaceae | |
Acaciella rekoi
| Britton & Rose | N. Amer. Fl. 23(2): 98 | 1928 |
| Fabaceae | |
Acaciella rensonii
| Britton & Rose | N. Amer. Fl. 23(2): 101 | 1928 |
| Fabaceae | |
Acaciella rosei
| (Standl.) Britton & Rose | N. Amer. Fl. 23(2): 105 | 1928 |
| Fabaceae | |
Acaciella salvadorensis
| Britton & Rose | N. Amer. Fl. 23(2): 101 | 1928 |
| Fabaceae | |
Acaciella santanderensis
| Britton & Killip | Ann. New York Acad. Sci. 35(3): 140 | 1936 |
| Fabaceae | |
Acaciella shrevei
| Britton & Rose | N. Amer. Fl. 23(2): 105 | 1928 |
| Fabaceae | |
Acaciella smithii
| Britton & Rose | N. Amer. Fl. 23(2): 101 | 1928 |
| Fabaceae | |
Acaciella sotoi
| L. Rico | Anales Jard. Bot. Madrid 63: 227 | 2006 |
| Fabaceae | |
Acaciella sousae
| (L. Rico) L. Rico | Kew Bull. 59(2): 328 | 2004 |
| Fabaceae | |
Acaciella stipellata
| (Schltdl.) Britton & Rose | N. Amer. Fl. 23(2): 106 | 1928 |
| Fabaceae | |
Acaciella submontana
| Britton & Rose | N. Amer. Fl. 23(2): 103 | 1928 |
| Fabaceae | |
Acaciella suffrutescens
| (Rose) Britton & Rose | N. Amer. Fl. 23(2): 103 | 1928 |
| Fabaceae | |
Acaciella talpana
| Britton & Rose | N. Amer. Fl. 23(2): 101 | 1928 |
| Fabaceae | |
Acaciella tequilana
| (S. Watson) Britton & Rose | N. Amer. Fl. 23(2): 105 | 1928 |
| Fabaceae | |
Acaciella texensis
| (Torr. & A. Gray) Britton & Rose | N. Amer. Fl. 23(2): 100 | 1928 |
| Fabaceae | |
Acaciella umbellifera
| (Kunth) Britton & Rose | N. Amer. Fl. 23(2): 100 | 1928 |
| Fabaceae | |
Acaciella valenzuelana
| (A. Rich.) Britton & Rose | N. Amer. Fl. 23(2): 104 | 1928 |
| Fabaceae | |
Acaciella velutina
| Britton & Rose | N. Amer. Fl. 23(2): 102 | 1928 |
| Fabaceae | |
Acaciella villosa
| (Sw.) Britton & Rose | N. Amer. Fl. 23(2): 104 | 1928 |