Cactus
| ariocarpus |
| echinocereus |
| echinomastus |
| mammillaria |
| opuntiae&co |
| pelecyphora |
| turbinicarpus |
| Stefano's spines |
| other cactus |
| spines |
Succulents
| apocynaceae |
| asclepiadaceae |
| Paola's asclepiads |
| Nicola's succulents |
| euphorbiaceae |
| aizoaceae |
| aloe |
| geraniaceae |
| portulacaceae |
| agave |
| bulbs |
