Species Details

Perideridia gairdneri ssp. gairdneri

Gairdner's yampah

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Photo of Perideridia gairdneri ssp. gairdneri

Classification

Scientific Name: Perideridia gairdneri (H. & A.) Math. ssp. gairdneri
Common Name: Gairdner's yampah
Family:	Apiaceae
Element Code:	PDAPI1N062
USDA Plants Symbol:	PEGAG
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G5T3T4
State Rank:	S3S4
Other Status:	SB_SBBG; SB_UCSC
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Oct

Elevation:
0 - 610 meters
0 - 2000 feet

General Habitats:

Broadleafed upland forest
Chaparral
Coastal prairie
Valley and foothill grassland
Vernal pools

Microhabitat Details:

Microhabitat:

Vernally Mesic

Notes

Notes: Endangered in the southern portion of its range; status of occurrences uncertain. Can be relatively common locally, especially in northern counties. Is plant extant in SMT Co.? Threatened by agriculture, grazing, non-native plants, habitat alteration, and urbanization. See University of California Publications in Botany 55:1-74 (1969) for taxonomic treatment.
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)
Del Norte (DNT), Kern (KRN), Marin (MRN), Mendocino (MEN), Monterey (MNT), San Luis Obispo (SLO), San Mateo (SMT)(?), Santa Clara (SCL), Santa Cruz (SCR), Solano (SOL), Sonoma (SON)

Quads: Name (Quad Code)
Ano Nuevo (3712213), Bear Mountain (3511826), Burro Mountain (3512173), Cambria (3512151), Cape San Martin (3512184), Drakes Bay (3812218), Elmira (3812138), Franklin Point (3712223), Healdsburg (3812257), Hiouchi (4112471), La Honda (3712233), Mt. Carmel (3612147), Pigeon Point (3712224), Plantation (3812353), Point Arena (3812386), Purdys Gardens (3912311), San Rafael (3712285), Santa Cruz (3612281), Spreckels (3612156), Tomales (3812228), Two Rock (3812237), Watsonville East (3612186), Willits (3912343)

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