Carl Otto Robert Peter Paul Graebner (29 June 1871 in
Aplerbeck – 6 February 1933 in
Berlin) was a German
botanist.
In 1895 he obtained his doctorate in Berlin, successively working as an assistant and then as
curator (1904) at the botanical gardens. During the 1890s he performed botanical investigations in
Jerichower Land and
Vorharz with
Paul Ascherson (1834–1913).[1]
Lehrbuch der ökologischen pflanzengeographie, 1902 (German translation of
Eugen Warming's
original book in Danish[3]) - Textbook of
ecological phytogeography.
Lehrbuch der allgemeinen Pflanzengeographie, nach entwicklungsgeschichtlichen und physiologisch-ökologischen Gesichtspunkten, 1929 - Textbook of general phytogeography, through developmental and physiologic-ecological aspects.[4]