Taxon Details

Monardella venosa

veiny monardella

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Photo of Monardella venosa
© 2007 George W. Hartwell
Photo of Monardella venosa
© 2018 Evan D. MacKinnon
Photo of Monardella venosa
© 2018 Evan D. MacKinnon

Taxon Summary:

Monardella venosa, commonly known as veiny monardella, is a annual herb in the Lamiaceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 60 to 410 meters. Monardella venosa is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Lifeform: annual herb
Blooming Period: May-Jul
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Elevation:
60 - 410 meters
195 - 1345 feet
General Habitats:
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Clay
Notes:
Rediscovered in 1992 by B. Castro. Threatened by development of wastewater treatment plant. See Madroño 40(4):270 (1993) for information on rediscovery.
Threats:
Threatened by development of wastewater treatment plant.
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 2 50 %
THREAT LIST:
Grazing 2 50%
Mining 1 25%
Agriculture 1 25%
Dam/Inundation 1 25%
Development 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
1 1 0 0 2 0
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 0
Presence:
Presumed Extant 2
Possibly Extirpated 2
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Sutter (SUT), Tuolumne (TUO), Yuba (YUB)
Quads: Name (Quad Code)
Cherokee (3912165)*, Gilsizer Slough (3912116), Hamlin Canyon (3912166), New Melones Dam (3712085), Olivehurst (3912115), Sutter (3912126), Yuba City (3912125)
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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