(https://www.tucson-gardener.com/graphics/cactacea/Luechtenbergia%20principis02.jpg)
(https://a7.sphotos.ak.fbcdn.net/hphotos-ak-ash4/394874_368096963204501_100000126016157_1658059_891797908_n.jpg)
(https://www.tucson-gardener.com/graphics/cactacea/Leuchtenbergia%20principis%20monstrose01.jpg)
(https://a2.sphotos.ak.fbcdn.net/hphotos-ak-ash4/397094_368097093204488_100000126016157_1658060_1887689422_n.jpg)
(https://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc7/407950_368097236537807_100000126016157_1658062_892855736_n.jpg)
(https://a4.sphotos.ak.fbcdn.net/hphotos-ak-ash4/404474_368097323204465_100000126016157_1658063_362439915_n.jpg)
(https://a7.sphotos.ak.fbcdn.net/hphotos-ak-ash4/401006_368097473204450_100000126016157_1658065_62352050_n.jpg)
(https://a8.sphotos.ak.fbcdn.net/hphotos-ak-snc7/403289_368097159871148_100000126016157_1658061_693178181_n.jpg)