Hackelia Opiz. Stickseed.
Key to Hackelia
A genus of ca. 45 species, herbs (mainly perennial), of north temperate regions, Central America, and South America, especially diverse in w. North America.
Ref: Al-Shehbaz (1991); Weigend et al. (2016) In Kadereit & Bittrich (2016). Show full citations.
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