]> FH barcode-00259651 United States of America Michigan Around Clark Mine 92 mi SSE of Copper Harbor). Around mine tailings with balsam fir, quaking aspen, and white birch Sec. 9, T58N, R28W Porpidia crustulata (Acharius) Hertel & Knoph (Acharius) Hertel & Knoph 2010-08-16 16:38:11 C. M. Wetmore