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You have to be orchidding me!
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

Rules
This is a science community. We use the Dawkins definition of meme.
downvoting because it's not really true what you said. sure there's always exceptions in biology that don't fit into the species concept, but i dare say for lots of living beings, including practically all eukaryotic organisms, with very few exceptions, it's a good categorization scheme.
the exceptions you mentioned (asexual reproduction; edge cases where interbreeding is difficult but not impossible) are the exception, not the rule. that doesn't make the rule meaningless though.
Lol, have you not seen the OP or have ever looked at plant taxonomy before? There are many different groups where it is dubious if we can apply some sort of species concept.
And you talk about the species concept as if there was only just one?