Taxon Details

Centromadia parryi ssp. parryi

pappose tarplant

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Taxon Summary:

Centromadia parryi ssp. parryi, commonly known as pappose tarplant, is a annual herb in the Asteraceae that is found only in California. It occurs within Chaparral, Coastal prairie, Marshes and swamps (coastal salt), Meadows and seeps, and Valley and foothill grassland (vernally mesic), growing at elevations from 0 to 420 meters. Centromadia parryi ssp. parryi is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Centromadia parryi (Greene) Greene ssp. parryi
Common Name: pappose tarplant
Family:	Asteraceae
Element Code:	PDAST4R0P2
USDA Plants Symbol:	CEPAP4
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3T2
State Rank:	S2
Other Status:	BLM_S
CRPR Changes: added to 1B on 2004-07-27
Add Date:	2004-01-01
Date Edited:	2023-08-01

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Nov

Elevation:
0 - 420 meters
0 - 1380 feet

General Habitats:

Chaparral
Coastal prairie
Meadows and seeps
Marshes and swamps (coastal salt)
Valley and foothill grassland (vernally mesic)

Microhabitat Details:

Microhabitat:

Alkaline (often)

Notes

Notes:
Threats: Threatened by agriculture, competition, development, grazing, foot traffic, habitat disturbance, and road maintenance.
Taxonomy: A synonym of Hemizonia parryi ssp. parryi in TJM (1993).

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	13	33 %
Development	6	15%
Disking	5	12%
Agriculture	4	10%
Non-native plant impacts	3	7%
Other	3	7%
Foot traffic/trampling	2	5%
Grazing	1	2%
Landfill	1	2%
Road/trail construction/maint.	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					39
A	B	C	D	X	U
1	6	2	4	1	25

Occurrence Status:
Historical >20 Years	18
Recent <=20 Years	21

Presence:
Presumed Extant	38
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Butte (BUT), Colusa (COL), Glenn (GLE), Lake (LAK), Napa (NAP), San Mateo (SMT), Solano (SOL), Sonoma (SON), Yolo (YOL)

Quads: Name (Quad Code)
Aetna Springs (3812264), Birds Landing (3812127), Calistoga (3812255), Clarksburg (3812145), Cordelia (3812222), Cotati (3812236), Courtland (3812135), Davis (3812156), Denverton (3812128), Elmira (3812138), Fairfield North (3812231), Fairfield South (3812221), Fouts Springs (3912236), Glascock Mtn. (3812283), Healdsburg (3812257), Mark West Springs (3812256), Montara Mountain (3712254), Pennington (3912137), Salt Canyon (3912213), San Francisco South (3712264), Sears Point (3812224), Stonyford (3912245), Wilbur Springs (3912214), Wilson Valley (3812284)

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 Status Review:	Proposed Addition to CRPR 1B, G4?T1 / S1.2 (2004)
Original Description:	Bulletin of the Torrey Botanical Club 9:16 (1882)
Taxonomic Treatment:	Novon 9:466 (1999)
Species Account:	Profile for potential SCC evaluation (2018)

CNPS Rare Plant Inventory