Description: English: Botanical Illustration of Penthorum sedoides from 1913. Date: 17 March 2014, 21:34:41. Source: Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 211. Author: Britton, N.L., and A. Brown.
Description: English: Ditch or Virginia Stonecrop - Penthorum sedoides Linnaeus - Plate 87b. Date: 1918. Source: Wild Flowers of New York Part 1, University of the State of New York, State Museum, Albany.. Author: Homer D. House, New York State Botanist. Walter B. Starr of the Matthews-Northrup Company, Buffalo, and Harold H. Snyder of the Zeese-Wilkinson Company, New York, photographers.
Description: Penthorum sedoides, Griffy site of the Indiana University Research & Teaching Preserve, Monroe County, Indiana, 6 Aug 2010. Near the entrance to The Ravine. Date: 6 August 2010, 12:49. Source: Penthorum sedoides. Author: Patrick Alexander from Las Cruces, NM.
