Species Details

Harmonia hallii

Hall's harmonia

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Photo of Harmonia hallii
© 2015 John Doyen
Photo of Harmonia hallii
© 2015 John Doyen
Photo of Harmonia hallii
© 2015 John Doyen
Lifeform: annual herb
Blooming Period: (Mar)Apr-Jun
JFMAMJJASOND
Elevation:
305 - 975 meters
1000 - 3200 feet
General Habitats:
  • Chaparral (serpentinite)
Microhabitat Details:
Microhabitat:
Notes:
Threats:
Threatened by mining.
Taxonomy:
A synonym of Madia hallii in The Jepson Manual.
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 9 39 %
THREAT LIST:
Road/trail construction/maint. 5 21%
Development 4 17%
Grazing 1 4%
ORV activity 1 4%
Total Occurrences: 23
Element Occurrence Ranks:
A B C D X U
2 5 1 0 0 15
Occurrence Status:
Historical >20 Years 13
Recent <=20 Years 10
Presence:
Presumed Extant 23
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Napa (NAP), Yolo (YOL)
Quads: Name (Quad Code)
Aetna Springs (3812264), Benmore Canyon (3912215), Clearlake Highlands (3812286), Detert Reservoir (3812265), Hough Springs (3912225), Jericho Valley (3812274), Kelseyville (3812287), Knoxville (3812273), Leesville (3912224), Lower Lake (3812285), Middletown (3812275), The Geysers (3812277), Wilbur Springs (3912214), Wilson Valley (3812284)
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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Original Description: MadroƱo 3(1):5 (1935)
Revised Nomenclature: Novon 9:462-471 (1999)
Species Account: Harmonia hallii profile for potential Species of Conservation Concern evaluation (2018)
Other: USFS Potential Species of Conservation Concern Profile