Observations on the Stem Structure of Psaronius Brasiliensis
Observations on the Stem Structure of Psaronius Brasiliensis
O. A. Derby,
Derby, O. A. (1913). Observations on the Stem Structure of Psaronius Brasiliensis. American Journal of Science, 489–497. https://doi.org/10.2475/ajs.s4-36.215.489