Campbell, J.J.N., and W.R. Seymour, Jr. 2014. Another review of the Symphyotrichum patens complex (Asteraceae), including a new variety of S. patens from the southern Blacklands, new records of S. georgianum, and notes on georgianum-like plants outside its known range. Phytoneuron 2014-107: 1-33.
Cite as...