INDEXPublished in Journal of The Arnold Arboretum, in 1929, in volume 10, issue 4, pages 285-299Orchids collected by J. F. Rock on the Arnold Arboretum expedition to northwestern China and northeastern TibetPublished in Journal of the Arnold Arboretum, in 1929, in volume 10, pages 169-174
Orchids collected by J. F. Rock on the Arnold Arboretum expedition to northwestern China and northeastern TibetPublished in Journal of the Arnold Arboretum, in 1929, in volume 10, pages 169-174