Leopold Quehl

Leopold Quehl (1849–1922, Halle an der Saale) was a German amateur botanist who specialized in Cactaceae.

Biography
Quehl was employed as a postal worker in Halle. Around 1873 he developed an interest in cacti, and subsequently amassed a large collection of living plants as well as creating a herbarium. He was the binomial authority of numerous species within the family Cactaceae, of which he published his findings in the Monatsschrift für Kakteenkunde.

Quehl was a founding member of Deutsche Kakteen-Gesellschaft (DKG).

Legacy
Plants with the specific epithets of quehlianum and quehlianus are named in his honor; examples being:
 * Echinocactus quehlianus ( F.Haage ex Quehl ).
 * Gymnocalycium quehlianum ( F.Haage ex Quehl) Vaupel ex Hosseus ).