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Helenium Linnaeus. Sneezeweed, Bitterweed.

Key to Helenium

A genus of about 32-40 species, herbs, of America.

Ref: Bierner (1972); Bierner (1989); Bierner (2006b) In Flora of North America Editorial Committee (2006c); Cronquist (1980); Fernald (1943); Knox (1987); Knox et al. (2016); Rock (1957); Rydberg (1915). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Richard & Teresa Ware | Helenium autumnale CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Aidan Campos | Helenium elegans source | Original Image ⭷
image of plant© Keith Bradley | Helenium pinnatifidum | Original Image ⭷
image of plant© Gary P. Fleming | Helenium flexuosum | Original Image ⭷
image of plant© Bruce A. Sorrie | Helenium amarum | Original Image ⭷
image of plant© Gary P. Fleming | Helenium brevifolium | Original Image ⭷
image of plant© Alan Cressler: Helenium vernale, Apalachicola National Forest, Franklin County, Florida 1 by Alan Cressler | Helenium vernale source | Original Image ⭷
image of plant© Richard & Teresa Ware | Helenium amarum CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Gary P. Fleming | Helenium virginicum | Original Image ⭷