W. H. Wagner

RETICULATE VEINS IN THE SYSTEMATICS OF MODERN FERNS

W. H. Wagner, 1979 .

(13) Proposal to designate reproductively competent species of hybrid origin by an × placed in brackets (reword Article H.3 Note 1)

C. Werth, W. H. Wagner, 1990 .

EDWIN BINGHAM COPELAND 1873 ‐ 1964

W. H. Wagner, 1965 .

Biosystematics and evolutionary noise.

W. H. Wagner, 1970 .

Ferns of Britain and Ireland.

C. N. Page, C. Page, Warren H. Wagner, 1985 .