Trichocereus.net Cactus Seeds and Database — Trichocereus Species — Trichocereus knuthianus (Echinopsis knuthiana) — post-11985-0-46271200-1402801708post-11985-0-46271200-1402801708 EG December 3, 2014 No CommentsGet Exclusive Content, Videos and Amazing Cactus Stock Photos by Supporting me on PatreonAbout The Author EG