1. Introgressive hybridization;Anderson;Biol. Rev.,1953
2. A study of introgression in Typha at Point Pelee Marsh;Bayly;Ontario. Can. Field Nat.,1971
3. Ueber die Entwickelund der Blüte und Frucht von Spronganium Tourn. und Typha Tourn;Dietz;Bibl. Bot.,1887
4. Introgression between Typha latifolia and Typha angustifolia;Fassett;Evolution,1952
5. Introgression re-examined;Heiser;Bot. Rev.,1973