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Isoetaceae
Isoetes

Isoetes piedmontana (N.E. Pfeiffer) C.F. Reed. Common name: Piedmont Quillwort. Habitat: In seepage on or near granitic flatrocks, rarely on sandstone (Altamaha Grit and Ridge and Valley). Distribution: 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 (see Isoetes species 4).

Glossary (beta!)

Origin/Endemic status: Endemic

Synonymy ⓘ: = K4, NS, POWO, Va, Musselman (2001), Singhurst et al (2011); < Isoetes melanopoda Gay & Durieu ex Durieu — RAB; < Isoetes virginica N.Pfeiff. — C, F, FNA2, G. Basionym: Isoetes virginica N.Pfeiff. var. piedmontana N.Pfeiff. 1939

Links to other floras: < Isoetes virginica - FNA2

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL

Heliophily ⓘ: 9

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image of plant© Alan Cressler: Isoetes piedmontana, Cedar Mountain, Douglas County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: isoetes piedmontana, Granite Outcrop, Tribble Mill County Park, Gwinnett County, Georgia 3 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: Isoetes piedmontana, Flat Rock County Park, Muscogee County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: Isoetes piedmontana, Granite Outcrop, Highway 81, Winder, Barrow County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: Isoetes piedmontana, Sewanee Conglomerate, Flatrock Outcrop, Little River Canyon National Preserve, DeKalb County, Alabama 3 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: Isoetes piedmontana, and Mononeuria uniflora, Lithonia Gneiss Flat Rock, DeKalb County Green Space, Arabia Mountain National Heritage Area, DeKalb County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: Isoetes piedmontana, Ephemeral Pool, Heggie's Rock, Heggie's Rock Preserve, The Nature Conservancy, Columbia County, Georgia 2 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: Isoetes piedmontana, Flat Rock, Arabia Mountain Migmatite, Davidson-Arabia Mountain Nature Preserve, DeKalb County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Alan Cressler: Isoetes piedmontana (likely identification), Hood Road Flatrock, Walton County, Georgia 1 by Alan Cressler source | Original Image ⭷

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Horticultural Information

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