Taxon Report

Wyethia reticulata Greene

El Dorado County mule ears

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Species Description:
Wyethia reticulata, commonly known as El Dorado County mule ears, is a perennial herb in the Asteraceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 185 to 630 meters. Wyethia reticulata is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

  Classification

Scientific Name:
Wyethia reticulata Greene
Common Name:
El Dorado County mule ears
Family: Asteraceae
Element Code: PDAST9X0D0
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Aug Apr-Aug
Elevation: 185-630 (605-2065)
General Habitats: Chaparral, Cismontane woodland, Lower montane coniferous forest
Microhabitat: Clay (sometimes), Gabbroic (sometimes)
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 25
Element Occurrence Ranks:
   Excellent (A) 4
   Good (B) 9
   Fair (C) 4
   Poor (D) 1
   None (X) 0
   Unknown (U) 7
California Endemic:  True
California Counties and Islands: Name (Code)
El Dorado (ELD)
Quads: Name (Quad Code)
Clarksville (3812161), Coloma (3812078), Pilot Hill (3812171), Shingle Springs (3812068)

Threat List Data from the CNDDB

Threat List Total: 9
EOs with Threat Listed: Total EOs % of EOs
18 72 %
Development 18 72%
Road/trail construction/maint. 4 16%
Non-native plant impacts 3 12%
Foot traffic/trampling 2 8%
Biocides 2 8%
Vandalism/dumping/litter 1 4%
Grazing 1 4%
ORV activity 1 4%
Over-collecting/poaching 1 4%

Notes

Threatened by development and vehicles. See Bulletin of the California Academy of Sciences 1:9 (1884) for original description.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 13 January 2025].