Wikimedia subspp

Mostly changes to catch subspecies, varieties, and hybrids, as discussed in EoL curators list.
Obviously would be difficult to deal with cases where the "x" is a letter. But we could easily catch those where it is a multiplication sign, using something like `$name = preg_replace("/(?<=^| )(× *|x +)/iu", $multiply_sign_and_nonbreaking_space, $name);`