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References

For Pityopsis

Bowers, F.D. 1972. A biosystematic study of Heterotheca section Pityopsis. Ph.D. diss., Univ. of Tennessee, Knoxville. 187 pp. Google Scholar

Bridges, E.L., and S.L. Orzell. 2018b. Reassessment of Pityopsis sect. Graminifoliae (Small) Semple in peninsular Florida. 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. Google Scholar

Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C. Google Scholar

Nesom, G.L. 2019a. Taxonomic synopsis of Pityopsis (Asteraceae). Phytoneuron 2019-1: 1-31. ISSN 2153 733X Google Scholar

Nesom, G.L. 2019b. Note on the type of Pityopsis graminifolia (Asteraceae). Phytoneuron 2019-23: 1. Published 25 April 2019. ISSN 2153 733X Google Scholar

Semple, J.C. 2006d. Pityopsis. 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. Google Scholar

Semple, J.C. and F. Jabbour. 2019. Type specimens of Inula (Pityopsis) graminifolia (Asteraceae: Astereae). Phytoneuron 2019-22. 1-9. Published 25 April 2019. ISSN 2153 733X Google Scholar

Semple, J.C., and F.D. Bowers. 1985. A revision of the goldenaster genus Pityopsis Nutt. (Compositae: Astereae). Univ. of Waterloo Biological Series 29: 1-34. Google Scholar

Ward, D.B. 2004c. New combinations in the Florida flora II. Novon 14: 365-371. Google Scholar