Paphiopedilum hybrids
By: their parents and progeny as registered from 1869.
Contributors: Penn Valley Orchids (Firm)
Publisher: Penn Valley Orchids
Published: 1990
Place of publication: Wynnewood, Penn., USA (239 Old Gulph Rd., Wynnewood 19096)
Language: eng
Number of pages: 533
Subjects: Paphiopedilum -- Varieties.
Notes: "July 1990."