Species Details

Centromadia parryi ssp. rudis

Parry's rough tarplant

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Scientific Name:
Centromadia parryi (Greene) Greene ssp. rudis (Greene) B.G. Baldwin
Common Name:
Parry's rough tarplant
Family: Asteraceae
Element Code: PDAST4R0P3
USDA Plants Symbol: CEPAR4
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: May-Oct
0 - 100 meters
0 - 330 feet
General Habitat:
  • Valley and foothill grassland
  • Vernal pools
General Micro Habitat:
Micro Habitat:
  • Alkaline
  • Roadsides (sometimes)
  • Seeps
  • Vernally Mesic
Threatened by development, habitat alteration and habitat disturbance. Possibly threatened by grazing and road maintenance. Protected on several refuges including Sacramento NWR, Colusa NWR, the Llano Seco Unit of the North Valley Wildlife Management Area, the Llano Seco Ranch, and the Vic Fazio Yolo Wetlands Preserve. See Hemizonia parryi ssp. rudis in The Jepson Manual (1993). See Manual of the Botany of the Region of San Francisco Bay: 197(1894) for original description and Novon 9: 467(1999) for revised nomenclature.
Total Occurrences: 0
Element Occurrence Ranks:
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Colusa (COL), Glenn (GLE), Lake (LAK), Merced (MER), Modoc (MOD), Sacramento (SAC), San Joaquin (SJQ), Solano (SOL), Stanislaus (STA), Yolo (YOL)
Quads: Name (Quad Code)
Adin (4112028), Arbuckle (3912211), Big Swamp (4112121), Birds Landing (3812127), Bruceville (3812134), Brush Lake (3712151), Butte City (3912148), Clarksburg (3812145), Colusa (3912221), Courtland (3812135), Davis (3812156), Dozier (3812137), Elmira (3812138), Florin (3812144), Glenn (3912251), Grays Bend (3812166), Llano Seco (3912158), Logandale (3912242), Los Banos (3712017), Maxwell (3912232), Meridian (3912128), Moulton Weir (3912231), Mt. George (3812232), Pennington (3912137), Princeton (3912241), Sacramento West (3812155), Salt Canyon (3912213), San Luis Ranch (3712027), Sandy Mush (3712025), Santa Rita Bridge (3712015), Saxon (3812146), Sites (3912233), Stockton East (3712182)?, Taylor Monument (3812165), Turner Ranch (3712026), West of Biggs (3912147), Wilbur Springs (3912214), Williams (3912222), Winters (3812158), Woodland (3812167)
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.


Presumed Extant
Counties   Quads