Structure and development of Symphyogyna brasiliensisArthur W. Haupt · First published 1943Open the Tome
Oögenesis and fertilization in Pinus lambertiana and P.monophyllaArthur W. Haupt · First published 1941Open the Tome
Gametophyte and sex organs of Reboulia hemisphaericaArthur W. Haupt · First published 1921Open the Tome