Species Details

Ageratina shastensis

Shasta ageratina

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Photo of Ageratina shastensis
©2011 Sierra Pacific Industries
Photo of Ageratina shastensis
©2011 Len Lindstrand III
Photo of Ageratina shastensis
©2017 Julie Kierstead
Scientific Name:
Ageratina shastensis (D.W. Taylor & Steb.) R.M. King & H. Robinson
Common Name:
Shasta ageratina
Family: Asteraceae
Element Code: PDASTBX0R0
USDA Plants Symbol: AGSH2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
S3
Other Status: SB_UCSC
CRPR Changes:
changed from 4.2 to 1B.2 on 2008-10-14
Add Date: 1974-01-01
Date Edited: 2022-12-06
Lifeform: perennial herb
Blooming Period: Jun-Oct
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Elevation:
400 - 1800 meters
1310 - 5905 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Carbonate (often)
  • Rocky
Notes:
Threatened by mining. See Madroño 25(4):218-220 (1978) for original description.
Threats:
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 8 30 %
THREAT LIST:
Logging 5 18%
Road/trail construction/maint. 5 18%
Recreational use (non-ORV) 1 3%
Total Occurrences: 27
Element Occurrence Ranks:
A B C D X U
0 20 2 0 0 5
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 21
Presence:
Presumed Extant 27
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Shasta (SHA)
Quads: Name (Quad Code)
Bollibokka Mtn. (4012282), Devils Rock (4012271), Goose Gap (4012281), Hanland Peak (4012283), Lake McCloud (4112221), O'Brien (4012273), Shoeinhorse Mtn. (4112211), Tombstone Mtn. (4112213), Yellowjacket Mtn. (4112212)
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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