- Carex gaudichaudiana, Carex vulgaris var gaudichaudiana Kunth Boott;Carex contracta FMuell;Carex maidenii Gand
- Carex nigra, Common Sedge;Carex acuta;Carex acuta var nigra L;Carex goodenowii JGay nom illegit;Carex vulgaris Fr nom illegit;Smooth black sedge;Smooth Black Sedge;Carex acuta auct non L;Carex goodenowii J Gay;Carex vulgaris Fr
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