Pollen morphology of the Cypripedioideae and the Apostasioideae (Orchidaceae).

Author(s): 
Newton, G.D. and N.H. Williams.
Year: 
1978
Journal: 
Selbyana
Volume: 
2
Issue: 
2–3
Page Range: 
169–182
Keywords: 
Orchidaceae, Cypripedioideae, Apostasioideae, Pollen Morphology, Taxonomy, Florida, Panama