Bommeria E. Fournier. Common name: Bommer Fern.
A genus of 5 species, of sw. United States, Mexico, and Central America.
ID notes: Bommeria has small, pentagonal leaves with pinnatifid division (the blade tissue is all or nearly all connected, lacking full separation into pinnae and pinnules). In our region it is a rare disjunct on rock outcrops.
References: Haufler (1993) In Flora of North America Editorial Committee (1993b); McMillan et al. (2018). Show full citations.
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© Alan Cressler: Bommeria hispida, Santa Cruz County, Arizona 1 by Alan Cressler | Bommeria hispida source | Original Image ⭷Feedback
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