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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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image of plant© Gary P. Fleming | Acorus calamus | Original Image ⭷
image of plant© jodyhsieh, some rights reserved (CC BY) | Acorus gramineus source | Original Image ⭷
image of plant© Toby Y, some rights reserved (CC BY), uploaded by Toby Y | Acorus gramineus source | Original Image ⭷