largeleaf avens, Geum macrophyllum

We are kind of catching this branch of the evolving family tree in mid stride. Current thought in regard to largeleaf avens is that it is splitting into three species. Experiments done by crossing plants from the three groups have concluded that they are distinct but not yet entirely separated populations. And sometimes that matters, and sometimes it doesn't? Native Americans have literally used treatments from these plants to treat every ailment. Some tribes considered largeleaf avens to be a universal panacea. No need to get into the finer points of identification for them! Largeleaf avens grows in AK, AZ, CA, CO, ID, ME MI, MN, MT, ND, NH, NM, NV, NY, SD, UT, WA, WI, all provinces of Canada, and on SPM. Summit Co CO, 6/17/13. Rose family, Rosaceae.