Warren H. Wagner

1920 – 2000

• A biosystematic survey of United States ferns preliminary abstract
• A Bolivian Elaphoglossum of Unique Leaf Structure
• A Diploid Variety in the Cystopteris Fragilis Complex
• A natural Hybrid of Polystichum lonchitis and P. Acrostichoides from the Bruce Peninsula
• A natural hybrid, X Adiantum Tracyi C.C. Hall
• A new hybrid showing homology between Asplenium ebenoides and A. pinnatifidum
• A new hybrid spleenwort from artificial cultures at Fernwood and its relationship to a peculiar plant from West Virginia
• A new natural hybrid in the Appalachian asplenium complex and its taxonomic significance
• A sampling of Botrychium subg. Sceptridium in the vicinity of Leonardtown, St. Mary's Co., Md
• American Grapeferns resembling Botrychium ternatum
• An annotated bibliography of ragweed (Ambrosia)
• An Asplenium prototype of the genus Diellia