f54r

[Anton]

To put the exciting You are not allowed to view links. Register or Login to view. paradigm under further test, I suggest to discuss the plant of f54r. The reason for the choice is that it is the second of the two plants out of my "focal set" with high consensus in identification between various researchers (the other being f5r, where the consensus nevertheless might have been misleading, as we discussed in the respective thread).

Th. Petersen, E. Sherwood and Steve D all consider You are not allowed to view links. Register or Login to view. as thistle (cirsium oleraceum), while the Finnish biologist just does not provide identification of that plant.

So is it thistle or there are better matches?