Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin [4–9 September 1845]
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>The most experienced botanists argue for the "validity of species in nature". Against taxonomic "splitters".</p><p style='text-align: justify;'>CD’s Cape Tres Montes plants.</p>