Taxon Report
Wyethia reticulata GreeneEl Dorado County mule ears |
 Steven Perry |
Taxon Summary
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: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
|
State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG |
|
CRPR Changes: |
|
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% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 March 2025].