Wikimedia subspp

Mostly changes to catch subspecies, varieties, and hybrids, as discussed in EoL curators list.
One of my coworkers mentions that hybrid names don't always have the space after the 'x', so you could get something like "Acer xalba", "xAcer alba", or "XAcer alba"... Not sure we need to deal with these in Wikipedia data, but it's something to be mindful of...