Taxon Details

Diplacus mohavensis

Mojave monkeyflower

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Photo of Diplacus mohavensis
© 2019 Joey Malone
Photo of Diplacus mohavensis
© 2019 Joey Malone

Taxon Summary:

Diplacus mohavensis, commonly known as Mojave monkeyflower, is a annual herb in the Phrymaceae that is found only in California. It occurs within Joshua tree "woodland", and Mojavean desert scrub, growing at elevations from 600 to 1200 meters. Diplacus mohavensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Lifeform: annual herb
Blooming Period: Apr-Jun
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Elevation:
600 - 1200 meters
1970 - 3935 feet
General Habitats:
  • Joshua tree "woodland"
  • Mojavean desert scrub
Microhabitat Details:
Microhabitat:
  • Gravelly (sometimes)
  • Sandy (sometimes)
  • Washes (often)
Notes:
Most historical occurrences in the Barstow area have been extirpated or impacted. Threatened by development, mining, non-native plants, solar and wind energy projects, and vehicles. See Botanical Gazette 9:142 (1884) for original description, Phytoneuron 2012-39:1-60 (2012) for revised nomenclature, and Phytoneuron 2013-66:1-8 (2013) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 51 84 %
THREAT LIST:
Development 40 65%
ORV activity 39 63%
Mining 19 31%
Non-native plant impacts 10 16%
Grazing 8 13%
Total Occurrences: 61
Element Occurrence Ranks:
A B C D X U
1 15 13 1 1 30
Occurrence Status:
Historical >20 Years 39
Recent <=20 Years 22
Presence:
Presumed Extant 60
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Apple Valley North (3411752), Barstow (3411781)*, Barstow SE (3411771), Camp Rock Mine (3411666), Daggett (3411678), Fairview Valley (3411751), Helendale (3411763), Hodge (3411772), Minneola (3411677), Nebo (3411688), Old Woman Springs (3411646), Ord Mountain (3411667), Victorville (3411753), Yermo (3411687)
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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