ID for these plants please,would be greatly appreciated

[Mike S]

[Chris L]

1 Gymnocalycium
2 Coryphantha
3
4 Gymnocalycium
5 Gymnocalycium
6 Melocactus
7 Gymnocalycium

I am never confident to put a species name to plants, but others may.

[ralphrmartin]

3 Eriosyce?
4 Gymnocalycium anisitsii?

[Detlev]

With young plants from large nurseries that you can buy in flower shops or garden centres, it is sometimes difficult to determine the species with certainty: The body and spination are often not yet typically developed and for a sure identification you usually need the flower. In addition, they can also be hybrids.
But my suggestions for the plants are:
1. Gymnocalycium baldianum (flower should be red)
2. Coryphantha
3. Eriosyce subgibbosa
4. Gymnocalycium anisitsii (as already identified by Ralph Martin)
5. Gymnocalycium baldianum (flower should be red)
6. Melocactus bahiensis
7. Gymnocalycium erinaceum
Good luck with the plants, they could be beautiful specimens (no matter what name they have)!

[anttisepp]

1st probably G andreae with yellow flowers.
2nd mb C radians IMHO

[Mike S]

Many thanks for your input very interesting and useful,i am just going to download six more if you could help I wold be most grateful.