Species Details

Monolopia gracilens

woodland woollythreads

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Photo of Monolopia gracilens
© 2016 Richard Spellenberg
Photo of Monolopia gracilens
© 2016 Richard Spellenberg
Photo of Monolopia gracilens
© 2014 Chris Winchell
Scientific Name:
Monolopia gracilens A. Gray
Common Name:
woodland woollythreads
Family: Asteraceae
Element Code: PDAST6G010
USDA Plants Symbol: MOGR
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: (Feb)Mar-Jul
100 - 1200 meters
330 - 3935 feet
General Habitat:
  • Broadleafed upland forest (openings)
  • Chaparral (openings)
  • Cismontane woodland
  • North Coast coniferous forest (openings)
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Serpentinite
Threatened by development, road maintenance, and road widening. Possibly threatened by logging.
Total Occurrences: 68
Element Occurrence Ranks:
3 10 3 0 2 50
Occurrence Status:
Historical >20 Years 37
Recent <=20 Years 31
Presumed Extant 66
Possibly Extirpated 2
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alameda (ALA), Contra Costa (CCA), Monterey (MNT), San Benito (SBT), San Luis Obispo (SLO), San Mateo (SMT), Santa Clara (SCL), Santa Cruz (SCR)
Quads: Name (Quad Code)
Adelaida (3512067), Big Basin (3712222), Cambria (3512151), Castle Rock Ridge (3712221), Clayton (3712188), Cupertino (3712231), Cypress Mountain (3512058), Diablo (3712178), Felton (3712211), Gilroy (3712115), Gilroy Hot Springs (3712114), Hayward (3712261), La Honda (3712233), Las Trampas Ridge (3712271), Laurel (3712118), Loma Prieta (3712117), Los Gatos (3712128), Mindego Hill (3712232), Montara Mountain (3712254), Monterey (3612158), Morgan Hill (3712126), Moss Landing (3612177), Mt. Madonna (3712116), Mt. Sizer (3712125), Oakland East (3712272), Palo Alto (3712242), Paso Robles (3512066), Pebblestone Shut-in (3512161), Pico Creek (3512152), Piedras Blancas (3512163), Port San Luis (3512027), San Leandro (3712262), San Mateo (3712253), Santa Cruz (3612281), Santa Teresa Hills (3712127), Soquel (3612188), Watsonville East (3612186), Watsonville West (3612187), Woodside (3712243)
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