For Erigeron
Allison, J.R., and T.E. Stevens. 2001. The endemic flora of Ketona dolomite outcrops in Bibb County, Alabama. Castanea 66: 154-205.
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. 2006bb. Erigeron. 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.
Nesom, G.L. 2008b. Classification of subtribe Conyzinae (Asteraceae: Astereae). Lundellia 11: 8-38.
Nesom, G.L. 2018. Erigeron floribundus and E. sumatrensis (Asteraceae) in the USA and Mexico. Phytoneuron 2018-27: 1-19. Published 30 May 2018. ISSN 2153 733X .
Noyes, R.D., H. Gerling, and C. Vandervoort. 2006. Sexual and apomictic prairie fleabane (Erigeron strigosus) in Texas: geographic analysis and a new combination (Erigeron strigosus var. traversii, Asteraceae). Sida 22: 265-276.
Poindexter, D.B., B.R. Keener, and R.D. Noyes. 2017. Elevation of two sexual diplois in the Erigeron strigosus complex to species rank. In Weakley, A.S., D.B. Poindexter, R.J. LeBlond, B.A. Sorrie, C.H. Karlsson, P.J. Williams, E.L. Bridges, S.L. Orzell, B.R. Keener, A. Weeks, R.D. Noyes, M. Flores-Cruz, J.T. Diggs, G.D. Gann, and A.J. Floden. 2017. New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. II. J. Bot. Res. Inst. Texas 11: 291-325.
Poindexter, D.B., B.R. Keener, and R.D. Noyes. 2018. A new name for Erigeron strigosus var. calcicola at species rank. In Weakley, A.S., D.B. Poindexter, R.J. LeBlond, B.A. Sorrie, E.L. Bridges, S.L. Orzell, A.R. Franck, M. Schori, B.R. Keener, A.R. Diamond, Jr., A.J. Floden, and R.D. Noyes. 2018a. New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. III. J. Bot. Res. Inst. Texas 12: 27-67.
Strother, J.L. 2006cc. Conyza. 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.
Cite as...