In a previous paper (1954) I reported Andropogon Ischaemum as found wild in two Texas counties (Collin, Grayson), persisting after cultivation in one (Denton), and planted along open highway in another (Rockwall). Additional wild collections can now be reported from Brazoria, Brown, Dallas, Fannin, Kleberg, Live Oak, Mills, and Sutton counties. All are of plants with bearded nodes, and all the Texas records are therefore to be referred to Andropogon Ischaemum var. songaricus rather than to var. Ischaemum.
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Shinners, Lloyd H.
"Andropogon Ischaemum L. var. songaricus Ruprecht: Technical Name for King Ranch Bluestem,"
Field and Laboratory: Vol. 24
Available at: https://scholar.smu.edu/fieldandlab/vol24/iss3/3