Where can i find an example of a liverwort or an equisetum?

Question:Where can i find these two? By the way what do liverwort and equisetum mean?

Answers:
Equisetum is from equua, horse, and seta, bristle. The barren stems supposedly made one think of a horses tail. Common name is scouring rush or horsetail. Here is a link to the Equisetum species: http://www.rook.org/earl/bwca/nature/fer...

Here is a link to liverworts: Ihttp://www.rook.org/earl/bwca/nature/mos...
And picts: http://oregonstate.edu/dept/nursery-weed...