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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Cichorioideae
Tribus: Cichorieae
Subtribus: Microseridinae
Genus: Malacothrix
Species: M. californica – M. clevelandii – M. coulteri – M. fendleri – M. floccifera – M. foliosa – M. glabrata – M. incana – M. indecora – M. insularis – M. junakii – M. phaeocarpa – M. saxatilis – M. similis – M. sonchoides – M. sonorae – M. squalida – M. stebbinsii – M. torreyi – M. xanthi
Source(s) of checklist:

Malacothrix DC., Prodr. 7(1): 192. 1838.
Type species: Malacothrix californica DC.


De Candolle, A.P. (1838) Prodr. 7(1): 192.
Davis, W.S. (1997) The systematics of annual species of Malacothrix (Asteraceae: Lactuceae) endemic to the California Islands. Madroño 44: 223–244.
eFloras 2008. Malacothrix (Asteraceae) in Flora of North America . Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Williams, E.W. (1957) The genus Malacothrix (Compositae). Amer. Midl. Naturalist 58: 494–512.

Malacothrix is a genus of plants in the dandelion tribe within the sunflower family.[2][3] They are known generally as desert dandelions or desertdandelions. Most are native to western North America although a few have been introduced to South America. Several are found only on offshore islands in the Pacific.[4]

Phylogenetic analysis demonstrates that Malacothrix is not monophyletic. Some of its species are related to Atrichoseris, whereas a second group is more closely related to Anisocoma and Calycoseris.[5]


Malacothrix californica - California desertdandelion - CA Baja California, Baja California Sur
Malacothrix clevelandii - Cleveland's desertdandelion - CA AZ UT Baja California
Malacothrix coulteri - snake's head - CA NV AZ UT NM Baja California
Malacothrix fendleri - Fendler's desertdandelion - AZ NM TX Sonora
Malacothrix floccifera - woolly desertdandelion - CA NV
Malacothrix foliosa - leafy desertdandelion - San Clemente Island
Malacothrix glabrata - smooth desertdandelion - CA NV AZ NM ID OR Baja California, Baja California Sur
Malacothrix incana - dunedelion - CA
Malacothrix indecora - Santa Cruz Island desert-dandelion - Santa Cruz Island
Malacothrix insularis - island desertdandelion - Coronados Island in Baja California
Malacothrix junakii - Junak's desertdandelion - Anacapa Island
Malacothrix phaeocarpa - Davis' desertdandelion - CA
Malacothrix saxatilis - cliff desertdandelion - CA
Malacothrix similis - twin desertdandelion - CA Baja California
Malacothrix sonchoides - sowthistle desertdandelion - OR ID WY CO NM AZ UT NV CA
Malacothrix sonorae - Sonoran desertdandelion - Sonora AZ NM TX
Malacothrix squalida - Santa Cruz desertdandelion - Santa Cruz Island
Malacothrix stebbinsii - Stebbins' desertdandelion - OR CA NV AZ NM UT Sonora
Malacothrix torreyi - Torrey's desertdandelion - CA NV AZ NM UT CO WY ID MT OR
Malacothrix xanthi - Baja California, Baja California Sur


Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-12-18 at
Candolle, Augustin Pyramus de. 1838. Prodromus Systematis Naturalis Regni Vegetabilis 7(1): 192
Tropicos, Malacothrix DC.
Malacothrix. Flora of North America.
Lee, J., et al. (2003). Phylogenetic relationships among the primarily North American genera of Cichorieae (Compositae) based on analysis of 18S-26S nuclear rDNA ITS and ETS sequences. Systematic Botany 28(3), 616-26. JSTOR 25063901

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