Collinsonia canadensis 2, Stoneroot, Howard County, Md, Helen Lowe Metzman
Collinsonia canadensis 2, Stoneroot, Howard County, Md, Helen Lowe MetzmanCollinsonia canadensis. Stoneroot / Richweed. Photo and specimen from Helen Lowe Metzman. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.