TY - JOUR AU - Maxon, William R ID - 78939 TI - A list of the ferns and fern allies of North America north of Mexico, with principal synonyms and distribution JF - Proceedings of The United States National Museum SN - 0096-3801 VL - 23 SP - 619 EP - 651 Y1 - 1901 UR - http://biostor.org/reference/78939 L2 - http://www.biodiversitylibrary.org/page/7511741 ER -