1) Cephalocereus senilis

2) Echinocactus grusonii

3)Echinopsis arachnacanta
(Lobivia arachnacanta)

4)Echinopsis chamaecereus

5) Echinopsis eyriesii (my guess)

6) Echinopsis oxygona (also my guess)

7) Ferocactus hamatacanthus



9) Gymnocalycium pflanzii

10) Haageocereus versicolor (at least I was told it's that species)

11) Mammillaria columbiana

12) Mammillaria prolifera

13) Mammillaria scrippsiana (or maybe M. grusonii )

14) Mammillaria tetrancistra
(or maybe M. grahamii, or some other with fishhook spikes, got no idea)

15) Opuntia ficus-indica (also a guess)

16) Pachycereus pringlei (at least that's what fellow members of this forum told me it is)

17) Parodia leninghausii

18) Parodia schumanniana

19) Pilosocereus pachycladus

20) Polaskia chichipe

21) Rebutia heliosa (var. „Sunrise“)

22) Weberbauerocereus johnsonii (ID provided by this forum comunity reacently)

I also have Disocactus hybrid (heavily burned, but thriving and resistant as a mule - I think that thing could even survive on Mars), Mammillaria gracillis (just a few tiny "eggs") and pebble-sized Schlumbergera.