Taxon Report

Phacelia leonis J.T. Howell

Siskiyou phacelia

Print Report


©2019 Steve Matson

  Classification
Scientific Name:
 Phacelia leonis J.T. Howell
Common Name:
 Siskiyou phacelia
Family: Hydrophyllaceae
Element Code: PDHYD0C2N0
USDA Plants Symbol: PHLE2
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual herb
Blooming Period: Jun-Aug Jun-Aug
Elevation: 1200-2000 (3935-6560)
General Habitats: Meadows and seeps, Upper montane coniferous forest
Microhabitat: Serpentine (often)
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.3
Global Rank: G3
State Rank:
 S2?
State List: None
Fed List: None
Other Status: BLM_S
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 24
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 6
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 17

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Del Norte (DNT), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Takilma (4212315), Billys Peak (4112227), Caribou Lake (4112218), Cecil Lake (4112312), Chimney Rock (4112356), Covington Mill (4012287), Dees Peak (4112313), Mount Eddy (4112234), Mumbo Basin (4112225), Polar Bear Mtn. (4112385), Scott Mountain (4112236), Seven Lakes Basin (4112224), Smoky Creek (4012332), Tangle Blue Lake (4112226), Whisky Bill Peak (4112215), Ycatapom Peak (4112217)

Threat List Data from the CNDDB

Threat List Total: 6
EOs with Threat Listed: Total EOs % of EOs
6 25 %
Grazing 5 20%
Foot traffic/trampling 2 8%
Logging 1 4%
ORV activity 1 4%
Other 1 4%
Recreational use (non-ORV) 1 4%

Notes
Threats:
Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].