CNPS Inventory Plant Detail

Acmispon haydonii

Common Name:	pygmy lotus
Family:	Fabaceae
Synonyms:	Lotus haydonii
Element Code:	PDFAB2A0H0
Full Name:	Acmispon haydonii (Orcutt) Brouillet
USDA PLANTS Symbol:	LOHA3

Biology
Lifeform: perennial herb Blooming Period: January - June Habitat: rocky. • Pinyon and juniper woodland • Sonoran desert scrub

Rarity Status
CA Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G3 G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 26
Element Occurrence Ranks:

A B C D X U

0 2 0 0 0 24

Population Status:

Historic >20 yrs	Recent <=20 yrs
8	18

Presence:

Present Extant	Possibly Extirpated	Extirpated
26	0	0

Notes

Possibly threatened by vehicles and non-native plants. See West American Scientist 6:63 (1889) for original description, Pittonia 2:149 (1890) for revised nomenclature, and Memoirs of the New York Botanical Garden 25:128-206 (1981) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1994-01-01
Last Update: 2013-03-29

Location

Elevation: 520 - 1200 meters

California Endemic: no

States: California, Baja California

California Counties and Islands: name (code)
Imperial (IMP), Riverside (RIV), San Diego (SDG)

Quads: name (DWR code) USGS code
In-ko-pah Gorge (007A) 32116F1, Jacumba (007B) 32116F2, Agua Caliente Springs (019A) 32116H3, Monument Peak (019B) 32116H4, Sombrero Peak (019D) 32116G3, Tubb Canyon (032B) 33116B4, Whale Peak (032D) 33116A3, Borrego Palm Canyon (047C) 33116C4, Toro Peak (065C) 33116E4, Palm Springs (083D) 33116G5

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1723

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-116.25,33.0