Species Armatocereus laetus Familia Cactaceae From: Britton & Rose, The Cactaceae (1919-1923). This photograph is from volume 2, published in 1920 (see...
DescriptionArmatocereus laetus 02.jpg Armatocereus laetus im Botanischen Garten Dresden Date 10 November 2010, 15:58:06 Source Own work Author Michael...
