When does it flower?
Subtitle: the blooming months of 3500 species orchids in the USA
By: compiled by Robert M. Hamilton ; assisted by Dorothy Shields.
Contributors: Shields, Dorothy, joint author.
Publisher: Hamilton
Published: 1977
Place of publication: Richmond, B.C
Language: eng
Number of pages: 76
Subjects: Orchids -- United States -- Flowering time.; Orchids -- Flowering time.