Guide to the Vascular Flora of the Savannas and Flatwoods of Shaken Creek Preserve and Vicinity (Pender & Onslow Counties, North Carolina, U. S. A.) Thornhill, Robert Krings, Alexander Lindbo, David Stucky, Jon Biodiversity Data Journal 2014 2 1099 1099 (Vahl) Palla Liliopsida Cyperaceae Schoenoplectus CoL var. Plantae Schoenoplectus pungens Poales 0 1099 Tracheophyta variety pungens pungens  Distribution Wet pine savannas (WLPS), adjacent roadsides.  Notes Infrequent. Mid-May-Jun; Jun-Sep. Thornhill 767 (NCSC). [< Scirpus americanus(Pers.) sensu RAB; = FNA, Weakley]