Franz Speta

Joseph Decaisne

French botanist and agronomist

Stephan Endlicher

Austrian botanist, linguist and numismatist

Graham Duncan

Peter Goldblatt

South African born American botanist

Otto Stapf

Austrian botanist

Francis Raymond Fosberg

American botanist

Ladislav Mucina

Slovak botanist

Douglas Houghton Campbell

American botanist

David Mabberley

British botanist

Benjamin Clemens Stone

British-American botanist

John McNeill

British-Canadian botanist

Karl Heinz Rechinger

Austrian botanist

Richard Eric Holttum

English botanist and author

Bernard Hyland

Australian botanist

Friedrich Anton Wilhelm Miquel

Dutch botanist

Richard Evans Schultes

American ethnobotanist

Karl Fritsch

Austrian botanist

Laurence Skog

American botanist

Vicki Funk

American botanist

Josef Franz Freyn

Austrian and Bohemian botanist

William Jackson Hooker

Botanical illustrator

David Griffiths

Botanist

Elmer Drew Merrill

American botanist

Thomas Johnson (botany teacher)

English botanist, born 1863

Édouard Ernest Prillieux

French botanist and politician (1829–1915)

Isabel Clifton Cookson

Australian botanist

J. J. Manissadijan

Edgar Anderson

American botanist

Walter John Emil Kress

American botanist

Pamela S. Soltis

American botanist

John Merle Coulter

American Botanist

Beryl Brintnall Simpson

American botanist

Peter Crane

British botanist

William Campbell Steere

American botanist and bryologist

Dennis McKenna

Ethnopharmacologist and author

Kartar Singh Thind

Indian botanist

Chaia Clara Heyn

Botanist

Miriam Phoebe de Vos

South African botanist

Frederick Vernon Coville

American botanist

Rogers McVaugh

American botanist (1909–2009)

Ernest Charles Nelson

Northern Irish botanist