海量图书期刊资源,随时随地畅享阅读乐趣
Ohio Stations for MyriostomaJohn H. Schaffner · The Journal of Mycology · 1902
The Nutation of HelianthusJohn H. Schaffner · Botanical Gazette · 1900
The Division of the Macrospore NucleusJohn H. Schaffner · Botanical Gazette · 1897
Origin of Timber BeltsJohn H. Schaffner · Botanical Gazette · 1899
The Spreading of Buffalo GrassJohn H. Schaffner · Botanical Gazette · 1899
Myxomycetes of Clay County, KansasJohn H. Schaffner · Transactions of the Kansas Academy of Science (1903-) · 1903-1904
Phylogenetic Taxonomy of PlantsJohn H. Schaffner · The Quarterly Review of Biology · 1934
Studies of Equiseta in European HerbariaJohn H. Schaffner · American Fern Journal · 1931
Ferns, Lichens, and Hummingbirds' NestsRamón Riba and Teófilo Herrera · American Fern Journal · 1973
A New Selaginella from Southwestern UtahSeville Flowers · American Fern Journal · 1949
Ferns of Barro Colorado Island: IIPaul C. Standley · American Fern Journal · 1927
ErrataAmerican Fern Journal · 1976
The Taxonomic Status of Selanginella eatoniiWilliam R. Buck · American Fern Journal · 1978
Leaf Epidermal Studies in MarsileaJohn T. Mickel and Frank V. Votava · American Fern Journal · 1971
Nomenclatural Corrections in AdiantumPrado, Jefferson · American Fern Journal · 2004
Early Lycophyte EvolutionGensel, Patricia G.; Berry, Christopher M. · American Fern Journal · 2001