Isoetes piedmontana (N.E. Pfeiffer) C.F. Reed. Piedmont Quillwort. Hab: In seepage on or near granitic flatrocks, rarely on sandstone (Altamaha grit and Ridge and Valley). Dist: VA south and west to ec. and n. AL; material in c. TX has been placed here, but is likely to warrant description as a separate taxon.
Origin/Endemic status: Native
Synonymy: = K1, K3, Va, Musselman (2001), Singhurst et al (2011); < Isoetes melanopoda Gay & Durieu ex Durieu – RAB; < Isoetes virginica N.Pfeiff. – C, F, FNA2, G
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© Alan Cressler: Isoetes piedmontana, Cedar Mountain, Douglas County, Georgia 1 by Alan Cressler source | Original Image ⭷
© Alan Cressler: isoetes piedmontana, Granite Outcrop, Tribble Mill County Park, Gwinnett County, Georgia 3 by Alan Cressler source | Original Image ⭷