Dasylirion quadrangulatum – Mexican Grass Tree – Buy seeds at rarepalmseeds.com
Dasylirion wheeleri. Pot de 70 litres. -20°C - Oasis Garden
Dasylirion acrotrichum – Green Sotol – Buy seeds at rarepalmseeds.com
Cacti and Succulents Handbook: Basic Growing Techniques and a Directory of More Than 140 Common Species and Varieties (CompanionHouse Books) Cholla, Agave, Prickly Pear, Aloe, Sansevieria, and More: Smith, Gideon F: 9781620082782: