Shaman Australis Botanicals – The SAB cactus forum is a really great place for Trichocereus growers.

Diekakteen.de – This is my non-Trichocereus seeds shop. You can buy all kinds of cactus seeds there!

Trichocereus.org – German San Pedro Trichocereus Website

Lithops – Lebendesteine.de – A great German website about Lithops and living rocks.

Lophophora.de – German Peyote Website

Our Trichocereus Facebook Group

Our Lophophora Facebook Group

Cactus Growers Worldwide Facebook Group

Cactusforum.org – International Cactus Forum

Kaktusforum.com – German Cactus Forum

Sacred Succulents – Awesome Nursery in California

San Pedro Cactuses

Cactusaffinity.com – A great website of one of my friends

Trichocereus.com.au – Australian Trichocereus San Pedro Hybrids

Misplant.net – Rare Trichocereus hybrid seeds