References
Levy, F. 2020. Morphology and distribution of Heterotheca camporum var. glandulissima and its occurrence on shale substrates in northeastern Tennessee. Phytoneuron 2020-89: 1-11. Published 18 December 2020. ISSN 2153 733X Google Scholar
Levy, F. 2020. Morphology and distribution of Heterotheca camporum var. glandulissima and its occurrence on shale substrates in northeastern Tennessee. Phytoneuron 2020-89: 1-11. Published 18 December 2020. ISSN 2153 733X Google Scholar