Isoetes melanopoda Gay & Durieu ex Durieu ssp. silvatica D.F. Brunton & D.M. Britton. Eastern Blackfoot Quillwort. Hab: Clay soils in low woods, seeps on sandstone or granitic rocks, in NJ in clay-based depressions on Cape May. Dist: VA south (in the Piedmont and Coastal Plain) to sw. GA, sc. AL, and s. MS; disjunct in s. NJ.
Origin/Endemic status: Endemic
Taxonomy Comments: A diploid species (2n=22), genotype= PP. This taxon should be raised to species rank based on the polyphyly of Isoetes melanopoda s.l. (Schafran et al. 2018).
Synonymy: = K3, K4; < Isoetes melanopoda Gay & Durieu ex Durieu – AqW, C, FNA2, G, K1, RAB, S13, Va, Musselman (2001)
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
- Great Plains: OBL (taxonomic split from wetland indicator species)
- Midwest: OBL (taxonomic split from wetland indicator species)
- Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)
Heliophily ?: 6
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© Gary P. Fleming | Original Image ⭷Feedback
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