Bogbean – Menyanthes (trifoliata)? jamieharrop2011-05-14T16:39:00+01:00May 14th, 2011|0 Comments Found at Oats Royd early May. A native plant and not very common in Calderdale.Thanks To Hugh Firman for the info. No Comments Hugh Firman May 19, 2011 at 12:04 pm - Reply Certainly looks like bogbean. If so it is native and not very widespread in Calderdale. It's not normally invasive in my experience. Bruce May 19, 2011 at 2:11 pm - Reply Thanks for the info Hugh. I thought that they were a non-native and invasive species.Its a very nice plant. Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment. Don't subscribe All Replies to my comments Notify me of followup comments via e-mail. You can also subscribe without commenting.