https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&lsid=urn:lsid:ncbg.unc.edu:taxon:{F246D616-687A-4F54-8184-B3609F64DCAB}
Isoetes riparia Engelmann ex A. Braun var. riparia . Shore Quillwort. Hab: Shores. Dist: Isoetes riparia is extirpated from most of its historic localities.
Origin/Endemic status: Endemic
Taxonomy Comments: A tetraploid species (2n=44). Isoetes riparia is believed to be a mid-Atlantic relative of I. septentrionalis.
Synonymy: = K3; < Isoetes riparia Engelm. ex A.Braun – AqW, C, FNA2, K4, Pa, RAB, Tat
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)
- Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)
Heliophily: 8
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