Scientists classify the species of Lophophora species into 5 main lines

1. Lophophora diffusa

2. Lophophora fricii was originally classified as diffusa. Some texts use the name Lophophora diffusa var. Fricii.

3. Lophophora jourdaniana was originally classified as a group of williamsii. Some texts use the name Lophophora williamsii var. Jourdaniana.

4. Lophophora koehresii was originally classified as diffusa. Some texts use the name Lophophora diffusa var. Koehresii.

5. Lophophora williamsii in this group is divided into many varieties (Varieties or in Thai) This term in this field of science is plant species in the Sub division level within a species (Species). Plants in this group are similar due to the inheritance is very similar. For the variety of Lophophora williamsii, use geographic distribution criteria to classify varieties, which are often named according to the location where a particular species of lofo is found or may be called the distinctive physical characteristics that appear on the trunk.

** Lophophora williamsii
** Lophophora williamsii var. decipiens
** Lophophora williamsii var. texana
** Lophophora williamsii var. „Weisse Blüte"
** Lophophora williamsii Cuatrocienegas
Lophophora williamsii Est. Marte
Lophophora williamsii La Paloma
Lophophora williamsii El Retiro
Lophophora williamsii Paila
Lophophora williamsii Parras
** Lophophora williamsii Rinconada
Lophophora williamsii Saltillo Monclova
** Lophophora williamsii San Antonio de Castillo
Lophophora williamsii Cedral
Lophophora williamsii Huizache
Lophophora williamsii Villa Arista
Lophophora williamsii La Perdida
** Lophophora williamsii Cardona
Lophophora williamsii Mazapil
Lophophora williamsii Mex 54 km 195
** Lophophora williamsii Tecolote

 Because the main species that are commercially available are

Lophophora diffusa (common)

Lophophora williamsii (common)

Private secondary (less common) are those

Lophophora fricii

Lophophora jourdaniana

Lophophora koehresii

And finally, Lophophora williamsii, which has a few varieties following the players, is rare and important. Some of them look like normal williamsii. There are no visual criteria. Aside from knowing the history of the source of the tree