Encyclopedia

Complete guide to the genus Echinopsis. Covers columnar species formerly classified as Trichocereus, including E. pachanoi, E. peruviana, and more.

Complete guide to the genus Turbinicarpus. Covers all accepted species including T. alonsoi, T. valdezianus, T. lophophoroides, and more.

Complete guide to the genus Aztekium. Covers all three accepted species: A. ritteri, A. hintonii, and A. valdezii.

Complete guide to the genus Ferocactus. Covers selected species including F. viridescens, F. cylindraceus, F. glaucescens, and F. hamatacanthus.

Complete guide to the genus Gymnocalycium. Covers selected species including G. buenekeri, G. horstii, and G. mihanovichii.

Complete guide to the genus Ariocarpus. Covers all accepted species including A. fissuratus, A. retusus, A. kotschoubeyanus, and more.