ID Request - Second opinion needed.

[CosmicSerpent33]

Hey everyone, been a while now since I have posted here, but glad to be back
To the point, I have here 3 separate cactus I've attempted to identify myself, but would like a second opinion.

Some sort of Echinocereus, perhaps Pectinatus or Rigidissimus?

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Echinopsis Tubiflora?

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This one has me a little stumped, it is young so I understand it can be difficult (sometimes impossible) to ID at this stage.
Possibly Echinopsis Lageniformis f. Monstruosa

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Any help or suggestions are greatly appreciated!
Thank you for your time.

[anttisepp]

Echinocereus rigidissimus ribispinus
Echinopsis oxygona
Puna subterranea
IMHO

[CosmicSerpent33]

Echinocereus rigidissimus ribispinus
Echinopsis oxygona
Puna subterranea
IMHO

Thanks for the prompt response. I feel fairly confident in your ID after taking a look at your suggestions. I was way off on the subterranea
Much appreciated anttisepp!

[anttisepp]

Hello, it was pleasure to help.