Vol. s4-42, Issue 247, 1916July 01, 1916 EDT
A Cycadophyte From the North American Coal Measures
A Cycadophyte From the North American Coal Measures
Harvey Bassler,
Bassler, H. (1916). A Cycadophyte From the North American Coal Measures. American Journal of Science, s4-42(247), 21–26. https://doi.org/10.2475/ajs.s4-42.247.21