Taxon Details

Psilocarphus brevissimus var. multiflorus

Delta woolly-marbles

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Taxon Summary:

Psilocarphus brevissimus var. multiflorus, commonly known as Delta woolly-marbles, is a annual herb in the Asteraceae that is found only in California. It occurs within Vernal pools, growing at elevations from 10 to 500 meters. Psilocarphus brevissimus var. multiflorus is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification

Scientific Name: Psilocarphus brevissimus Nutt. var. multiflorus Cronq.
Common Name: Delta woolly-marbles
Family:	Asteraceae
Element Code:	PDAST7R012
USDA Plants Symbol:	PSBRM
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4T3
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Jun

Elevation:
10 - 500 meters
35 - 1640 feet

General Habitats:

Vernal pools

Microhabitat Details:

Microhabitat:

Notes

Notes: Does plant occur in CCA, SAC, or other counties? Similar to P. elatior. See Research Studies of the State College of Washington 18:80 (1950) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Diego (SDG), Solano (SOL)

Quads: Name (Quad Code)
Dozier (3812137), San Marcos (3311722)

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