I've not seen any such requirements through Pathfinder... My druid is a bit out of the norm anyways though... He doesn't follow the "Only of the Earth" stuff your typical druid would... he's instead interested in merging culturism... build your cities, incorporating nature... not void of it. Also, while he doesn't mind being in all of the Earth cities, he can see the necessity for compromise, and the advantages it gives.
So... he's not exactly... umm... looked well upon by the druid community. I'm just glad he's not run up against any -other- druids yet... or I'd likely get shunned to high hell for my views...
I mean, he's got Profession Engineering for crying out loud, lol.
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Vagina Purse: 'A daily blog about what I find inside me' ~Ticky