Species Details

Packera hesperia

western ragwort

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Photo by ©2008 Keir Morse  max-height:128px; max-width:145px;
©2008 Keir Morse
Scientific Name:
Packera hesperia (Greene) W.A. Weber & A. Love
Common Name:
western ragwort
Family: Asteraceae
Element Code: PDAST8H1L0
USDA Plants Symbol: PAHE11
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
S1
Other Status: USFS_S
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
added to 2.2 on 2007-04-12
Add Date: 2007-04-12
Date Edited: 2022-06-08
Lifeform: perennial herb
Blooming Period: Apr-Jun
Elevation:
500 - 2500 meters
1640 - 8205 feet
General Habitat:
  • Meadows and seeps
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Serpentinite
Notes:
Known only from the Siskiyou Mountains. Possibly threatened by alteration of fire regimes, logging, and vehicles. A synonym of Senecio hesperius. Not in The Jepson Manual (1993). See Pittonia 2: 166 (1891) for original description and Phytologia 49: 47 (1981) for revised nomenclature.
Threats:
Taxonomy:
Other:
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
4 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 4
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Del Norte (DNT)
Quads: Name (Quad Code)
Gasquet (4112378)
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.

Map

Presumed Extant
Counties   Quads