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Deinandra mohavensis

(D.D. Keck) B.G. Baldwin

Mohave Tarplant

G3Vulnerable Found in 9 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
MediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.145787
Element CodePDAST4R0K0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusDeinandra
Synonyms
Hemizonia mohavensisKeck
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Taxonomic Comments
Flora of North America Editorial Committee (2006) and Baldwin et al. (2012) treat Hemizonia mohavensis as Deinandra mohavensis.
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2021-09-03
Change Date2021-09-03
Edition Date2021-09-03
Edition AuthorsDavis, G. (2001), rev. R. Bittman (2015), rev. A. Tomaino (2021)
Threat ImpactMedium
Range Extent5000-20,000 square km (about 2000-8000 square miles)
Number of Occurrences81 - 300
Rank Reasons
Endemic to California, Deinandra mohavensis was rediscovered in 1994 and is known from 84 occurrences. Threats include development, grazing, recreation, roads, and ORVs.
Range Extent Comments
Deinandra mohavensis is endemic to southern California in Kern, Riverside, San Diego, San Bernardino, and Tulare Counties (CNPS Rare Plant Inventory 2010, CNDDB 2021).
Occurrences Comments
There are 84 occurrences documented (CNDDB 2021).
Threat Impact Comments
Threats include road maintenance, recreational activities, exotic plant species, cattle grazing, and development (CNDDB 2015, 2021).
Ecology & Habitat

Habitat

The habitat of Deinandra mohavensis is edges of streams, springs, seeps, swales, and openings in chaparral, desert scrub, and woodlands (Flora of North America Editorial Committee 2006, Baldwin et al. 2012).
Terrestrial Habitats
Forest/WoodlandShrubland/chaparralDesert
Palustrine Habitats
HERBACEOUS WETLANDRiparian
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Threat Assessments
ThreatScopeSeverityTiming
1 - Residential & commercial developmentSmall (1-10%)Slight or 1-10% pop. decline—
2 - Agriculture & aquacultureSmall (1-10%)Slight or 1-10% pop. decline—
2.3 - Livestock farming & ranchingSmall (1-10%)Slight or 1-10% pop. decline—
4 - Transportation & service corridorsSmall (1-10%)Slight or 1-10% pop. decline—
4.1 - Roads & railroadsSmall (1-10%)Slight or 1-10% pop. decline—
6 - Human intrusions & disturbanceRestricted (11-30%)Slight or 1-10% pop. decline—
6.1 - Recreational activitiesRestricted (11-30%)Slight or 1-10% pop. decline—
8 - Invasive & other problematic species, genes & diseasesSmall (1-10%)Slight or 1-10% pop. decline—
8.1 - Invasive non-native/alien species/diseasesSmall (1-10%)Slight or 1-10% pop. decline—

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Plant Characteristics
DurationANNUAL
Economic Value (Genus)No
Roadless Areas (9)
California (9)
AreaForestAcres
Barker ValleyCleveland National Forest11,940
CalienteCleveland National Forest5,953
ChannellSequoia National Forest45,429
ChicoSequoia National Forest39,836
Hixon FlatSan Bernardino National Forest8,095
Horse Creek RidgeSan Bernardino National Forest8,969
Pyramid Peak BSan Bernardino National Forest7,194
RinconSequoia National Forest54,610
Rouse HillSan Bernardino National Forest13,745
References (7)
  1. Baldwin, B. G., D. H. Goldman, D. J. Keil, R. Patterson, T. J. Rosatti, and D. H. Wilken, eds. 2012. The Jepson manual: vascular plants of California. 2nd edition. University of California Press, Berkeley, CA. 1568 pp.
  2. California Natural Diversity Database (CNDDB). 2015. RareFind Version 5.1.1. California Department of Fish and Game, Sacramento, CA.
  3. California Natural Diversity Database (CNDDB). 2021. RareFind Version 5.2.14. California Department of Fish and Game, Sacramento.
  4. Flora of North America Editorial Committee (FNA). 2006c. Flora of North America north of Mexico. Vol. 21. Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford Univ. Press, New York. xxii + 616 pp.
  5. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  6. Lazar, Kristi. Personal communication. Lead Botanist. California Natural Diversity Database, Department of Fish and Wildlife, Sacramento.
  7. Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.