Merrill, E. D. 1949. Index Rafinesquianus: the plant names published by C S Rafinesque with reductions, and a consideration of his methods, objectives, and attainments. The Arnold Arboretum of Harvard University, Jamaica Plain.
Merrill, E. D. 1949. Index Rafinesquianus: the plant names published by C S Rafinesque with reductions, and a consideration of his methods, objectives, and attainments. The Arnold Arboretum of Harvard University, Jamaica Plain.