Taxon Details

Hesperidanthus jaegeri

Jaeger's hesperidanthus

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Photo of Hesperidanthus jaegeri
© 2011 Steve Matson
Photo of Hesperidanthus jaegeri
© 2011 Steve Matson
Photo of Hesperidanthus jaegeri
© 2011 Steve Matson

Taxon Summary:

Hesperidanthus jaegeri, commonly known as Jaeger's hesperidanthus, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Great Basin scrub, Pinyon and juniper woodland, and Subalpine coniferous forest, growing at elevations from 2135 to 2800 meters. Hesperidanthus jaegeri is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Lifeform: perennial herb
Blooming Period: May-Jul
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Elevation:
2135 - 2800 meters
7005 - 9185 feet
General Habitats:
  • Great Basin scrub
  • Pinyon and juniper woodland
  • Subalpine coniferous forest
Microhabitat Details:
Microhabitat:
  • Carbonate
  • Rocky
Notes:
Known only from the Inyo Mtns. See Contributions from the Dudley Herbarium 3:174 (1941) for original description, and Contributions from the Gray Herbarium 204:155-157 (1973) for revised nomenclature.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 4 57 %
THREAT LIST:
Mining 4 57%
Non-native animal impacts 1 14%
Non-native plant impacts 1 14%
ORV activity 1 14%
Recreational use (non-ORV) 1 14%
Total Occurrences: 7
Element Occurrence Ranks:
A B C D X U
3 1 0 0 0 3
Occurrence Status:
Historical >20 Years 5
Recent <=20 Years 2
Presence:
Presumed Extant 7
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Cerro Gordo Peak (3611757), New York Butte (3611768), Waucoba Mtn. (3711811)
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.
Presumed Extant
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