The relationships of the slipper orchids (subfamily Cypripedioideae, Orchidaceae) - Atwood, John Talmadge 1946- ([Florida], 1981)
Tesis (doctor of philosophy)--The Florida State University, 1981
Keywords: ZAPATILLA DE DAMA (ORQUIDEA); ORQUIDEAS -- MORFOLOGIA; ORQUIDEAS -- ANATOMIA