Noteworthy Collection: Illinois
A second population of Phemeranthus calycinus (Montiaceae, large-flowered rock pink) was confirmed for southwestern Illinois. This is the second site known east of the Mississippi River for this taxon.
Newman, Debbie S., William E. McClain, and John E. Ebinger. "Noteworthy Collection: Illinois." Castanea 84, no. 1 (2019): 45-46.