TRYON,Rolla M. and TRYON,Alice F. (1982). FERNS AND ALLIED PLANTS. SPRINGER - VERLAG.
Chicago Edition CitationTRYON,Rolla M. and TRYON,Alice F. FERNS AND ALLIED PLANTS. NEW YORK: SPRINGER - VERLAG, 1982.
MLA Edition CitationTRYON,Rolla M. and TRYON,Alice F. FERNS AND ALLIED PLANTS. SPRINGER - VERLAG, 1982.
Warning: These citations may not always be 100% accurate.