CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record monardella_leucocephala - Wed, Dec. 8, 2021, 23:01 ET b
Monardella leucocephala
common nameMerced monardella
CalPhotos image
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life formannual herb
CA Rare Plant Rank
List 1A
LIST 1A: Presumed extinct in California.
state rank
SH     SH: presumed extinct in California
global rank
GH     GH: presumed extinct
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (4):
Cressey (422B)* 3712046, Turlock (423A)* 3712047, La Grange (440B)* 3712064, Cooperstown (441A)* 3712065
quad data info

Counties, states, regions:
Merced (MER)*, Stanislaus (STA)*
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Valley and foothill grassland (VFGrs)(sandy, mesic)
blooming period May-Aug  
elevation range35 - 100 meters
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.
full nameMonardella leucocephala Gray
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  MOLE Element Code  PDLAM180C0
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Wed, Dec. 8, 2021 from

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