Species Details

Monardella leucocephala

Merced monardella

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Photo of Monardella leucocephala
© 2020 Hannah Kang
Photo of Monardella leucocephala
© 2020 Hannah Kang
Photo of Monardella leucocephala
© 2020 Hannah Kang
Scientific Name:
Monardella leucocephala Gray
Common Name:
Merced monardella
Family: Lamiaceae
Element Code: PDLAM180C0
USDA Plants Symbol: MOLE
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: May-Aug
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Elevation:
35 - 100 meters
115 - 330 feet
General Habitats:
  • Valley and foothill grassland (mesic, sandy)
Microhabitat Details:
Microhabitat:
Notes:
Last seen in 1941. May have been extirpated by agriculture. Good potential for rediscovery, but field surveys in 1990-1992 and 1997 unsuccessful. See Proceedings of the American Academy of Arts and Sciences 7:385 (1867) for original description, and Annals of the Missouri Botanical Garden 12:90-91 (1925) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 3 100 %
THREAT LIST:
Agriculture 3 100%
Grazing 1 33%
Mining 1 33%
Recreational use (non-ORV) 1 33%
Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
0 0 0 0 3 0
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 3
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Merced (MER)*, Stanislaus (STA)*
Quads: Name (Quad Code)
Cooperstown (3712065)*, La Grange (3712064)*, Turlock (3712047)*
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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