Stephanomeria

Stephanomeria is a genus of North American plants also known as wirelettuce,[4] belonging to the dandelion tribe within the sunflower family.[5][6]

wirelettuce
Stephanomeria virgata
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Cichorieae
Subtribe:	Microseridinae
Genus:	Stephanomeria Nutt.
Type species
Stephanomeria minor[1] (syn of S. tenuifolia)[2] (Hook.) Nutt.
Synonyms[3]
Hemiptilium A.Gray Ptiloria Raf.

Stephanomeria species are used as food plants by the larvae of some Lepidoptera species including Schinia scarletina, which feeds exclusively on the genus.

Annual species[3][7][8]

• Stephanomeria diegensis Gottlieb - wreathplant - Baja California, southern California; Hybrid origin: S. exigua х S. virgata[9]
• Stephanomeria elata Nutt. - Santa Barbara wirelettuce - California and Oregon; 2n=32
• Stephanomeria exiguaNutt. - small wirelettuce - widespread throughout western United States + Baja California; 2n=16
• Stephanomeria hitchcockii Gand. - Kansas
• Stephanomeria malheurensis Gottlieb - Malheur wirelettuce - Harney County in Oregon; 2n=16
• Stephanomeria mexiae M.E.Jones - Chihuahua
• Stephanomeria paniculata Nutt. - tufted wirelettuce - Washington, Oregon, California, Nevada, Idaho; 2n=16
• Stephanomeria virgata Benth. - rod wirelettuce - California, Oregon, Nevada, Baja California; 2n=16

Perennial species[3][7][10]

• Stephanomeria cichoriacea A.Gray - chicoryleaf wirelettuce - southern California; 2n=16
• Stephanomeria fluminea Gottlieb - Teton wirelettuce - Endemic to northwestern Wyoming; 2n=16
• Stephanomeria guadalupensis Brandegee - Endemic to Guadalupe Island in Baja California; 2n=16
• Stephanomeria lactucina A.Gray - woodland wirelettuce - California, Oregon and Nevada; 2n=16
• Stephanomeria monocephala Moran - Baja California
• Stephanomeria occultata Moran - Endemic to Weber River corridor, Northern Utah; 2n=16
• Stephanomeria parryi A.Gray - Parry's wirelettuce - Arizona, California, Nevada, Utah; 2n=32
• Stephanomeria pauciflora (Torr.) A.Nelson - Brownplume wirelettuce - widespread, southwestern United States; Mexico (Baja California, Sonora, Coahuila); 2n=16
• Stephanomeria runcinata Nutt. - desert wirelettuce - Colorado, Montana, Nebraska, Utah, Wyoming, North Dakota, Alberta, Saskatchewan; 2n=16
• Stephanomeria tenuifolia (Raf.) H.M.Hall - narrow-leaved wirelettuce - western United States; Saskatchewan, British Columbia, Baja California; 2n=16
• Stephanomeria thurberi A.Gray - Thurber's wirelettuce - New Mexico, Arizona, Sonora, Texas; 2n=16

formerly included

see Chaetadelpha Microseris Munzothamnus Pleiacanthus Prenanthella

• Stephanomeria blairii - Munzothamnus blairii
• Stephanomeria intermedia - Microseris nutans
• Stephanomeria minima - Prenanthella exigua
• Stephanomeria spinosa - Pleiacanthus spinosus
• Stephanomeria wheeleri - Chaetadelpha wheeleri

References

1. Tropicos, Stephanomeria Nutt.
2. Flann, C (ed) 2009+ Global Compositae Checklist, Stephanomeria minor (Hook.) Nutt.
3. Flann, C (ed) 2009+ Global Compositae Checklist Stephanomeria
4. "Stephanomeria". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2 December 2015.
5. Nuttall, Thomas. 1841. Transactions of the American Philosophical Society, new series 7: 427–428 in English
6. Lee, J., Baldwin, B., and Gottlieb, L.D.; Phylogeny of Stephanomeria and related genera (compositae-lactuceae) bed on analysis of 18S-26S nuclear rDNA ITS and ETS sequences; American Journal of Botany. 2002; 89:160-168
7. Biota of North America Program 2013 county distribution maps
8. CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F..
9. Gallez G.P.L.D., Gottlieb 1982 Genetic evidence for the hybrid origin of the diploid plant Stephanomeria diegensis. Evolution 36: 1158-1167
10. CONABIO. 2009. Catálogo taxonómico de especies de México.