Cheers braindead
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No you can clone a plant just about however far in flower it just takes longer the further into flower.
Some strains may respond strangely if you take clones too far into flower.
A friend of mine took clones from a mom in flower. They rooted but then autoflowered before he could veg them so he ended up with tiny bonsai plants with tiny buds. I can`t remember what strain that was.
Ruderalis are autoflowering by nature (I think, never messed with them myself) and sativas can show autoflowering tendencies. A good indica or an indica sativa hybrid should be ok.