Isoetes hyemalis D.F. Brunton. Wintergreen Quillwort. Hab: Blackwater streams and sandy streambanks. Dist: E. VA (Accomack County; McAvoy 2021) and sc. VA south through e. and c. NC to GA, AL, and FL Panhandle (Nelson 2000), in the Coastal Plain and lower Piedmont.
Origin/Endemic status: Endemic
Other Comments: A tetraploid species (2n=44), apparently derived from 2 unknown or extinct species, X and Y (Hoot, Napier, & Taylor 2004). See Brunton, Britton, & Taylor (1994) and Brunton & Britton (1996a) for additional information on this species.
Synonymy: = Fl1, K1, K4, Va, WH3, Musselman (2001); < Isoetes engelmannii A.Braun – C, G, RAB; < Isoetes engelmannii A.Braun var. engelmannii – F, Sf
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
Heliophily: 5
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© Alan Cressler: Isoetes hyemalis, Black Creek, Carolina Sandhills National Wildlife Refuge, Chesterfield County, South Carolina 3 by Alan Cressler source | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Keith Bradley | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Keith Bradley | Original Image ⭷Feedback
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