CNPS

CNPS Rare Plant Inventory

Species Details

Eriophyllum congdonii

Congdon's woolly sunflower

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Classification

Scientific Name:
Eriophyllum congdonii Bdg.
Common Name:
Congdon's woolly sunflower
Family: Asteraceae
Element Code: PDAST3N030
USDA Plants Symbol: ERCO16
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: CR (1982-07-01)
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: Apr-Jun
Elevation:
500 - 1900 meters
1640 - 6235 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Metamorphic
  • Rocky

Notes

Notes:
Known only from the Merced River drainage. Potentially threatened by development, road maintenance, and non-native plants. See Botanical Gazette 27:449-450 (1899) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 21
Element Occurrence Ranks:
A B C D X U
5 4 0 0 0 12
Occurrence Status:
Historical >20 Years 17
Recent <=20 Years 4
Presence:
Presumed Extant 21
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Mariposa (MPA)
Quads: Name (Quad Code)
Buckingham Mtn. (3711957), El Portal (3711967), Kinsley (3711968), Wawona (3711956)
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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 1 July 2022].