CNPS

CNPS Rare Plant Inventory

Species Details

Eriophyllum nubigenum

Yosemite woolly sunflower

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  Classification

Scientific Name:
Eriophyllum nubigenum Greene
Common Name:
Yosemite woolly sunflower
Family: Asteraceae
Element Code: PDAST3N0A0
USDA Plants Symbol: ERNU6
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G2
State Rank:
 S2
Other Status: USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-12-09

  Ecology and Life History

Lifeform: annual herb
Blooming Period: May-Aug
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Elevation:
1525 - 2750 meters
5005 - 9025 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest
  • Upper montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Granitic
  • Gravelly

  Notes

Notes:
Known from fewer than twenty occurrences. Threatened by foot traffic, non-native plants and recreational activities. See Madroño 29(2):123 (1982) for information on rediscovery.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 5 36 %
THREAT LIST:
Foot traffic/trampling 5 35%
Non-native plant impacts 3 21%
Other 2 14%
Recreational use (non-ORV) 1 7%

  Occurrence Data from the CNDDB

Total Occurrences: 14
Element Occurrence Ranks:
A B C D X U
3 4 0 0 0 7
Occurrence Status:
Historical >20 Years 11
Recent <=20 Years 3
Presence:
Presumed Extant 14
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Madera (MAD), Mariposa (MPA), Tuolumne (TUO)
Quads: Name (Quad Code)
Ascension Mtn. (3711978), Half Dome (3711965), Mariposa Grove (3711955), Merced Peak (3711964)
Notes:
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 26 April 2024].