Theodore M. Barkley, Luc Brouillet, John L. Strother, Asteraceae, Symphyotrichum, Flora of North America North of Mexico, Magnoliophyta: Asteridae: Asteraceae, part 2, Volume 20, Oxford University Press, New York u. a, 2006, Chapter: Symphyotrichum novae-angliae, ISBN= 0-19-511246-6, [1]
