Osmunda regalis L. [ Osmunda regalis variety spectabilis (Willd.) A. Gray]
      
no HD illustration available (m3)
Osmunda regalis (Willd.) A. Gray var. spectabilis {-1} Osmundaceae
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 10.3 (1972) [J.W. Roller]