- Publication venue
- Publication date
- 01/01/1949
- Field of study
- Publication venue
- Publication date
- 01/01/1950
- Field of study
- Publication venue
- Publication date
- 01/01/1950
- Field of study
- Publication venue
- Publication date
- 01/01/1953
- Field of study
- Publication venue
- Germantown, Md. :North American Native Terrestrial Orchid Conference,[1996]
- Publication date
- 01/01/1996
- Field of study