CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record malacothamnus_mendocinensis - Sat, Nov. 27, 2021 00:18 ET c
Malacothamnus mendocinensis
common nameMendocino bush-mallow
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life form deciduous shrub
CA Rare Plant Rank
List 1A
LIST 1A: Presumed extinct in California.
state rank
SX      ranking system key
global rank
GXQ      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (2):
Elledge Peak (550C)* 3912312, Boonville (551D)* 3912313
quad data info

Counties, states, regions:
Mendocino (MEN)*
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)/Rocky, roadsides
blooming period May-Jun  
elevation range425 - 575 meters
Confirmed from only two historical collections near Ukiah (last in 1939). Recent intensive field surveys unsuccessful. Reason for extinction unknown, but possibly due to lack of wildfire. Similar to M. hallii. A synonym of M. fasciculatus in TJM (1993) and TJM 2. See Leaflets of Western Botany 2:188 (1939) for original description and 6(6):133-134 (1951) for revised nomenclature.
full nameMalacothamnus mendocinensis (Eastw.) Kearn.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  MAME2 Element Code  PDMAL0Q0D0
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Sat, Nov. 27, 2021 from

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