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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: Shinnersoseris
Species: S. rostrata

Shinnersoseris Tomb

USDA, ARS, Germplasm Resources Information Network. Shinnersoseris in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Shinnersoseris is a genus of flowering plants in the dandelion family.[2][3]

There is only one known species, Shinnersoseris rostrata, with the common names of beaked skeletonweed [4] and annual skeleton-weed.[5] It is native to the Great Plains of central North America (Alberta, Saskatchewan, Manitoba, United States (ND SD MN IA NE KS OK TX CO WY UT)).[6][7]

It was formerly in the genus Lygodesmia.[8]

Shinnersoseris rostrata is an annual with long branches with long linear leaves, the branches end with five or more pink flowers.[5] Plants are uncommon and populations are local being generally restricted to sand dunes of the Great Plains. It is a threatened species in Minnesota, where it exists naturally on one sand dune complex in the extreme western part of the state. In Minnesota it is found on unstable sand dunes where wind blowouts produce shifting sand, the colonies are threatened by the suppression of fire which allows grasses and woody plants to take over the habitat.[5]

Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-21 at
Tomb, Andrew Spencer. 1974. Sida 5(3): 186-189 genus description in Latin, species description in English; three pages of illustrations showing habit, pollen, and distribution
Tropicos, Shinnersoseris rostrata (A. Gray) Tomb
"Shinnersoseris rostrata". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 12 November 2015.
Barbara Coffin; Lee Pfannmuller (1988). Minnesota's Endangered Flora and Fauna. U of Minnesota Press. p. 111. ISBN 978-0-8166-1689-3.
Flora of North America, Beaked skeleton-weed, Shinnersoseris Tomb, Sida. 5: 186, figs. 1–3. 1974.
Biota of North America Program 2013 county distribution map
p.999 of Flora of the Great Plains, Barker

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