Flora of the Southeastern United States
2022 Edition

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ACORACEAE

Acorus Linnaeus. Calamus, Sweetflag.

Key to Acorus

A genus of 3-4 species, perennial herbs, widespread in north temperate and subtropical regions.

Ref: Grayum (1987); Haines (2000); Simmons et al. (2020); Spaulding et al. (2019); Thompson (2000a) In Flora of North America Editorial Committee (2000). 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.