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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: Asteroideae
Tribus: Heliantheae
Subtribus: Enceliinae
Genus: Helianthella
Species: H. californica – H. castanea – H. ciliata – H. durangensis – H. gypsophila – H. mexicana – H. microcephala – H. parryi – H. quinquenervis – H. uniflora

Source(s) of checklist:

Hassler, M. 2018. Helianthella. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Feb. 04. Reference page.

Name

Helianthella Torr. & A.Gray, Fl. N. Amer. 2(2): 333–334. 1842.

Type species: Helianthus uniflorus Nutt. LT designated by Weber, Amer. Midl. Naturalist 48: 9 (1952)

References

Torr. & A.Gray, A Flora of North America: containing . . . 2(2): 333–334. 1842.

Links

International Plant Names Index. 2018. Helianthella. Published online. Accessed: Feb. 04 2018.
The Plant List 2013. Helianthella in The Plant List Version 1.1. Published online. Accessed: 2018 Feb. 04.
Tropicos.org 2018. Helianthella. Missouri Botanical Garden. Published online. Accessed: 04 Feb. 2018.
Hassler, M. 2018. Helianthella. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Feb. 04. Reference page.

Vernacular names
English: little sunflower

Helianthella, the little sunflower, is a genus of North American plants in the sunflower family.[4]

Species[1][5]

Helianthella californica A.Gray - California, Nevada, Oregon
Helianthella castanea Greene - San Francisco Bay region
Helianthella ciliata S.F.Blake - Chihuahua[6]
Helianthella durangensis B.L.Turner - Durango
Helianthella gypsophila B.L.Turner - Nuevo León, Coahuila
Helianthella mexicana A.Gray - San Luis Potosí, Zacatecas, etc.
Helianthella microcephala (A.Gray) A.Gray - Arizona, New Mexico, Colorado, Utah
Helianthella parryi A.Gray - Arizona, New Mexico, Colorado, Utah
Helianthella quinquenervis (Hook.) A.Gray - from Coahuila to Oregon + Montana
Helianthella uniflora (Nutt.) Torr. & A.Gray - from New Mexico to British Columbia

References

Flann, C (ed) 2009+ Global Compositae Checklist
Weber, W. A. 1952. The genus Helianthella (Compositae). American Midland Naturalist 48: 1–35.
Tropicos, Helianthella Torr. & A. Gray
Torrey, John, & Asa Gray. 1842. A flora of North America :containing abridged descriptions of all the known indigenous and naturalized plants growing north of Mexico, arranged according to the natural system 2(2): 333–334
Biota of North America Program 2013 county distribution maps
The International Plant Names Index

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