People have already replied to you to let you know that various major European countries use the green cross to refer to a generic pharmacy.

You already acknowledge this elsewhere, and you've also already acknowledged that there's special meaning to the red cross as opposed to merely referring to pharmacies.

I don't know what you're doing excluding Asia or the USA either, while saying

> A green cross would confuse no one.

And then following up with

> I'm sorry, but if your only example is the US then you're likely to be wrong about a lot of things.