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1. Cryptocoryne crispatula var. Flaccidifolia
2. Cryptocoryne crispatula var. Balansae
3. Cryptocoryne wendtii var. Green Gecko
4. Cryptocoryne undulata (best guess)
5. Cryptocoryne beckettii
I agree with the rest, but I'm not sure about the first one. Doesn't C. crispatula var flaccidifolia have a more undulate leaf margin? You may well be right, but I'm just curious as to your reasons for that above C. retrospiralis.

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A fair question Cavan.
1) C. retrospiralis is actually not that common in the US.
2) Most of whats commonly sold as 'C. spiralis' and sometimes 'C. retrospiralis' in the US is
Cryptocoryne crispatula var. Flaccidifolia
3) Both C. retrospiralis and C. spiralis, have leaves that are fairly rigid - they can hold their own. Even the submsersed growth, when pulled out of the water, stays erect.
4) Cryptocoryne crispatula var. Flaccidifolia - leaves are flacid, very soft, flow with the current and even in emersed growth do not stand erect.

You're coming by in a couple of weeks right? I'll show you in person.
 

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Yeah, I'll be by.

What do you make of the C. retrospiralis photo in Kasselmann? I think you're likely right about the ID, but the plants pictured there don't look stiff, even though the ones on Jan's site appear to be.
 

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Kasselmann's book has a lot of inconsistencies when it comes to crypts. If I remember correctly, it even lists some plants as distinct species, when in fact they're just varieties, and have been known to be varieties for quite some time.
 
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