Phragmipedium longifolium (as Cypripedium longifolium) - Curtis' 98 (Ser. 3 no. 28) pl. 5970 (1872), Walter Hood Fitch, 1872
Illustration of phragmipedium longifolium (as syn. Cypripedium longifolium). Date: 1872.
Author: Walter Hood Fitch (1817-1892) del. et lith. Description by Joseph Dalton Hooker (1817—1911)Source: https://commons.wikimedia.org/Loading...