For Oclemena
Brouillet, L. 2006f. Oclemena. In Flora of North America Editorial Committee. 2006b. Flora of North America north of Mexico. Volume 20, Magnoliophyta: Asteridae, part 6: Asteraceae, part 2. Oxford Univ. Press, New York, NY. 666 pp.
Brouillet, L., and J.-P. Simon. 1981. An ecogeographical analysis of the distribution of Aster acuminatus Michaux and A. nemoralis Aiton (Asteraceae: Astereae). Rhodora 83: 521-550.
Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C.
Nesom, G.L. 1994a. Subtribal classification of the Astereae (Asteraceae). Phytologia 76: 193-274.
Nesom, G.L. 1997a. Taxonomic adjustments in North American Aster sensu latissimo (Asteraceae: Astereae). Phytologia 82: 281-288.
Semple, J.C., S.B. Heard, and ChunSheng Xiang. 1996. The asters of Ontario (Compositae: Astereae): Diplactis Raf., Oclemena E.L. Greene, Doellingeria Nees and Aster L. (including Canadanthus Nesom, Symphyotrichum Nees, and Virgulus Raf.). Univ. of Waterloo Biology Series 38.
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