German teacher and botanist (1883–1960).
Johanna Emilie Katharina Elizabeth "Käthe" Hoffmann (1 August 1883 – 30 December 1960) was a German botanist who described many plant species in New Guinea and South East Asia including Annesijoa novoguineensis. She was a high school teacher at Breslau, German Empire, (now Wrocław, Poland) and made a significant contribution to botany. In one study, she was found to have co-authored or authored 354 land plant species, the sixth-highest number authored by any female scientist. As of May 2020, Plants of the World Online lists 439 accepted genera and species which include Käthe Hoffmann in the au