Asplenium septentrionale (Linnaeus) Hoffmann. Forked Spleenwort, Northern Spleenwort. Phen: Jun-Jul. Hab: Acidic rocks. Dist: Western North America south into nw. Mexico (Baja California), Asia, Europe; nw. Africa; disjunct in WV (Hardy and Monroe counties) and the AR Ozarks (Magazine Mountain, Arkansas Valley) (Peck 2011).
Origin/Endemic status: Native
Other Comments: This very inconspicuous species is likely to be found at additional locations. Its chromosome formula is SSSS.
Synonymy: = C, FNA2, FoC2-3, GrPl, K1, K3, K4, Ok, TxFerns; = n/a – F
Heliophily: 1
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© Alan Cressler: Asplenium septentrionale, Black Elk Wilderness, Black Hills National Forest, Pennington County, South Dakota 2 by Alan Cressler source | Original Image ⭷
© Alan Cressler: Asplenium septentrionale, Harney Peak, Black Elk Wilderness, Black Hills National Forest, Custer County, South Dakota 1 by Alan Cressler source | Original Image ⭷Feedback
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