Taxon Report

Lessingia hololeuca Greene

woolly-headed lessingia

Print Report


© 2015 Aaron Schusteff

Taxon Summary

Lessingia hololeuca, commonly known as woolly-headed lessingia, is a annual herb in the Asteraceae that is found only in California. It occurs within Broadleafed upland forest, Coastal scrub, Lower montane coniferous forest, and Valley and foothill grassland, growing at elevations from 15 to 305 meters. Lessingia hololeuca is ranked 3, Plants About Which We Need More Information, A Review List.

  Classification
Scientific Name:
 Lessingia hololeuca Greene
Common Name:
 woolly-headed lessingia
Family: Asteraceae
Element Code: PDAST5S030
USDA Plants Symbol: LEHO
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual herb
Blooming Period: Jun-Oct Jun-Oct
Elevation: 15-305 (50-1000)
General Habitats: Broadleafed upland forest, Coastal scrub, Lower montane coniferous forest, Valley and foothill grassland
Microhabitat: Clay, Serpentine
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 3
Global Rank: G2G3
State Rank:
 S2S3
State List: None
Fed List: None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Alameda (ALA), Fresno (FRE), Marin (MRN), Mendocino (MEN), Monterey (MNT), Napa (NAP), San Diego (SDG), San Mateo (SMT), Santa Clara (SCL), Santa Cruz (SCR), Solano (SOL), Sonoma (SON), Tehama (TEH), Tuolumne (TUO), Yolo (YOL)
Quads: Name (Quad Code)
Arched Rock (3812342), Boonville (3912313), Briones Valley (3712282), Calaveras Reservoir (3712147), Calistoga (3812255), Camp Meeker (3812248), Castle Rock Ridge (3712221), Chualar (3612155), Cupertino (3712231), Cuttings Wharf (3812223), Denverton (3812128), Duncans Mills (3812341), Gilroy (3712115), Guerneville (3812258), Jawbone Ridge (3712071), Los Gatos (3712128), Mindego Hill (3712232)?, Montara Mountain (3712254), Morgan Hill (3712126), Mt. George (3812232), Natividad (3612165), Newville (3912275), Novato (3812215), Palo Alto (3712242), Petaluma (3812226), Petaluma Point (3812214), Petaluma River (3812225), Point Reyes NE (3812227), Prunedale (3612176), San Clemente (3311745), San Geronimo (3812216)?, San Mateo (3712253), San Quentin (3712284)?, San Rafael (3712285), Woodland (3812167), Woodside (3712243), Wren Peak (3611877)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 0 %

Notes
Move to List 4? Need location, rarity, and endangerment information. Probably more widespread in the southern Sacramento Valley, southern North Coast Ranges, and northern S.F. Bay. Possibly threatened by grazing, and non-native plants. See Flora Franciscana, p. 377 (1897) by E. Greene for original description, and University of California Publications in Botany 16:40 (1929) for taxonomic treatment.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 January 2025].