Well, that is interesting.
I do know for a very fact that since I have been keeping bees (2 years now), that I have seen the big clovers around here hundreds of times more prevalant than they were prior to the beekeeping. Not a doubt in my mind the bees (be them honeybees or bombus) are bringing this seed in from other areas and dropping it here and there. WHERE I DON'T WANT IT!!!
This clover has actually almost become invasive. I do not want it in my garlic and strawberry patches and spent many many hours last summer removing these huge flowered clover plants from the specific place where my garlics (two species) and strawberries grows. The roots on this clover plant are beyond your wildest imagination.
Honestly there is so much room here, why does this clover have to pick my garlic patch to do its thing. Couldn't it be a little bit more selective? LOL. Great day. Cindi