Species Details

Horkelia howellii

Howell’s horkelia

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Photo of Horkelia howellii
© 2016 Keir Morse
Photo of Horkelia howellii
© 2016 Keir Morse
Photo of Horkelia howellii
© 2008 Keir Morse
Scientific Name:
Horkelia howellii Horkelia howellii (Greene) Rydb.
Common Name:
Howell’s horkelia
Family: Rosaceae
Element Code: PDROS0W0M0
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Jun-Aug
JFMAMJJASOND
Elevation:
60 - 1200 meters
195 - 3935 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Clay
  • Serpentine
Notes:
Threats:
Taxonomy:

Previously included in H. sericata.

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM)
Quads: Name (Quad Code)
Bark Shanty Gulch (4112345), Broken Rib Mtn. (4112386), Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Orleans (4112335), Orleans Mtn. (4112334), Shelly Creek Ridge (4112387), Somes Bar (4112344)
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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