Species Details

Pholistoma auritum var. arizonicum

Arizona pholistoma

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Classification

Scientific Name: Pholistoma auritum (Lindl.) Lilja var. arizonicum (Jones) Const.
Common Name: Arizona pholistoma
Family:	Hydrophyllaceae
Element Code:	PDHYD0D011
USDA Plants Symbol:	PHAUA
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5T4?
State Rank:	S3
Other Status:	SB_CalBG/RSABG; SB_USDA
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	1984-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar

Elevation:
275 - 835 meters
900 - 2740 feet

General Habitats:

Mojavean desert scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Known in CA only from the Whipple Mtns.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	4	17 %
Foot traffic/trampling	3	13%
ORV activity	3	13%
Vandalism/dumping/litter	2	8%
Other	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					23
A	B	C	D	X	U
4	2	0	0	0	17

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	17

Presence:
Presumed Extant	23
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Sonora, Mexico (SO)

California Counties and Islands: Name (Code)
Imperial (IMP), San Bernardino (SBD), San Diego (SDG)

Quads: Name (Quad Code)
Chemehuevi Peak (3411455), Earthquake Valley (3311614), In-ko-pah Gorge (3211661), Jacumba (3211662), Mohawk Spring (3411447), Monument Peak (3211684), Mt. Manchester (3511416), Whale Peak (3311613), Whipple Mts. SW (3411434), Whipple Wash (3411433)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory