1. Introgressive Hybridization;Anderson,1949
2. Introgressive hybridization;Anderson;Biol. Rev.,1953
3. Angelo, R., 2014. Vascular Flora of Concord, Massachusetts Compiled by Ray Angelo. (first posted 12.30.12; last revised 07.28.14) (last accessed 29.07.14.).
4. Synchronous flowering times and asymmetrical hybridization in Typha latifolia and T. angustifolia in northeastern North America;Ball;Aquat. Bot.,2013
5. A study of introgression in Typha at Point Pelee Marsh, Ontario;Bayly;Can. Field Nat.,1971