Bibliografía (10 obras)
Wild Flowers of North Carolina
2005
Fall color finder
1991
Fall color and woodland harvests
1990
1987
Florida wild flowers and roadside plants
1982
Plant variation and classification
1967
Chromosome numbers in Umbelliferae
1966
Species new to the flora of North or South Carolina
1958
Sarracenia leucophylla Rafinesque
1954
