Taxon Report
Monolopia gracilens A. Graywoodland woollythreads |
 © 2016 Richard Spellenberg |
Classification
|
Scientific Name: |
Monolopia gracilens A. Gray |
|
Common Name: |
woodland woollythreads |
| Family: | Asteraceae |
| Element Code: | PDAST6G010 |
| USDA Plants Symbol: | MOGR |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: (Feb)Mar-Jul | (Feb)Mar-Jul |
| Elevation: | 100-1200 (330-3935) |
| General Habitats: | Broadleafed upland forest, Chaparral, Cismontane woodland, North Coast coniferous forest, Valley and foothill grassland |
| Microhabitat: | Serpentine |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3 |
|
State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 96 |
| Element Occurrence Ranks: | |
| Excellent (A) | 6 |
| Good (B) | 16 |
| Fair (C) | 5 |
| Poor (D) | 0 |
| None (X) | 2 |
| Unknown (U) | 67 |
| California Endemic: True | |
| 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), Mississippi Creek (3712124), 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), Tassajara (3712177), Watsonville East (3612186), Watsonville West (3612187), Woodside (3712243) | |
Threat List Data from the CNDDB
| Threat List Total: | 11 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 27 | 28 % | |
| Non-native plant impacts | 17 | 17% |
| Road/trail construction/maint. | 11 | 11% |
| Foot traffic/trampling | 9 | 9% |
| Erosion/runoff | 8 | 8% |
| Grazing | 4 | 4% |
| Insufficient population/stand size | 3 | 3% |
| Other | 2 | 2% |
| Recreational use (non-ORV) | 1 | 1% |
| Wood cutting or brush clearing | 1 | 1% |
| Biocides | 1 | 1% |
| Development | 1 | 1% |
Selected References
| CRPR List Addition on 2010-04-06 |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].