Species Details

Microseris douglasii ssp. platycarpha

small-flowered microseris

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Photo of Microseris douglasii ssp. platycarpha
© 2015 Richard Spellenberg
Photo of Microseris douglasii ssp. platycarpha
© 2015 Richard Spellenberg
Photo of Microseris douglasii ssp. platycarpha
© 2015 Keir Morse

Species Description:

Microseris douglasii ssp. platycarpha, commonly known as small-flowered microseris, is a annual herb in the Asteraceae that is found in California and elsewhere. It occurs within Cismontane woodland, Coastal scrub, Valley and foothill grassland, and Vernal pools, growing at elevations from 15 to 1070 meters. Microseris douglasii ssp. platycarpha is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Scientific Name:
Microseris douglasii (DC.) Sch.Bip. ssp. platycarpha (Gray) Chambers
Common Name:
small-flowered microseris
Family: Asteraceae
Element Code: PDAST6E062
USDA Plants Symbol: MIDOP
Synonyms/Other Names:
Name Status: JEP, FNA, POWO,
IPNI, Tropicos
Lifeform: annual herb
Blooming Period: Mar-May
JFMAMJJASOND
Elevation:
15 - 1070 meters
50 - 3510 feet
General Habitats:
  • Cismontane woodland
  • Coastal scrub
  • Valley and foothill grassland
  • Vernal pools
Microhabitat Details:
Microhabitat:
  • Clay
Notes:
Severely declining due to urban development. Threatened by non-native plants. See Contributions from the Dudley Herbarium 4(7):296-298 (1955) for taxonomic treatment.
Threats:
Taxonomy:
Total Occurrences: 0
Element Occurrence Ranks:
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
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Alberhill (3311764), Bachelor Mtn. (3311751), Dana Point (3311746), Del Mar (3211782), Dulzura (3211667), Encinitas (3311713), Imperial Beach (3211751), La Jolla (3211772), La Mesa (3211771), Lake Elsinore (3311763), Lake Mathews (3311774), Las Pulgas Canyon (3311734), Morro Hill (3311733), Murrieta (3311752), National City (3211761), Otay Mesa (3211658), Pechanga (3311741), Prado Dam (3311786), Ramona (3311617), Rancho Santa Fe (3311712), Romoland (3311762), Sage (3311658), San Clemente (3311745), San Clemente Island Central (3211874), San Clemente Island South (3211873), San Luis Rey (3311723), San Marcos (3311722), San Vicente Reservoir (3211688), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845), Wildomar (3311753), Winchester (3311761), Yorba Linda (3311787)
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.
Presumed Extant
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