Vol. s4-7, Issue 39, 1899March 01, 1899 EDT
A Study of Some American Fossil Cycads; Part I, the Male Flower of Cycadeoidea
A Study of Some American Fossil Cycads; Part I, the Male Flower of Cycadeoidea
George R. Wieland,
Wieland, G. R. (1899). A Study of Some American Fossil Cycads; Part I, the Male Flower of Cycadeoidea. American Journal of Science, s4-7(39), 219–226. https://doi.org/10.2475/ajs.s4-7.39.219