Species Details

Horkelia hendersonii

Henderson's horkelia

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Photo by © 2021 Scot Loring  max-height:128px; max-width:145px;
© 2021 Scot Loring
Photo by © 2003 Norman Jensen  max-height:128px; max-width:145px;
© 2003 Norman Jensen
Photo by © 2021 Scot Loring  max-height:128px; max-width:145px;
© 2021 Scot Loring
Scientific Name:
Horkelia hendersonii Howell
Common Name:
Henderson's horkelia
Family: Rosaceae
Element Code: PDROS0W090
USDA Plants Symbol: HOHE2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1
State Rank:
S1
Other Status: SB_BerrySB; SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date: 1988-01-01
Date Edited: 2021-05-26
Lifeform: perennial herb
Blooming Period: Jun-Aug
Elevation:
2000 - 2300 meters
6560 - 7545 feet
General Habitat:
  • Upper montane coniferous forest (granitic)
General Micro Habitat:
Micro Habitat:
Notes:
Known in CA from only one occurrence. Endangered in OR.
Threats:
Taxonomy:
Other:
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 0
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 0
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Condrey Mtn. (4112288)
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