Helen D. Hawley

American naturalist and author

American botanist

American botanist

American botanist

American botanist and botanical collector

American entomologist

American university teacher, botanist and botanical collector

American writer, botanist, and teacher

American writer

American physician and feminist advocate

American microscopist, photographer

American metallurgist

American botanist, botanical collector, university teacher, genealogist and gardener

American botanist

American scientist, author, editor

American teacher and botanist (1840-1911)

American botanist, collector, journalist and social activist

Botanist

American pioneer, suffragist, botanist and botanical collector

American botanist