Per Axel Rydberg (1860–1931), Swedish-born, American botanist. First curator of the New York Botanical Garden Herbarium.

IPNI standard form: Rydb.

Taxon names authored

(List may be incomplete)

• 64 taxon names authored by Per Axel Rydberg

Publications

(List may be incomplete)

• 1895: Flora Of The Sand Hills Of Nebraska
• 1897: A Report Upon the Grasses and Forage Plants of the Rocky Mountain Region con C.L. Shear

• Rydberg, P.A. 1897. Rarities from Montana. - I. Bulletin of the Torrey Botanical Club 24(4): 188–192. BHL Reference page. 
• 1898: A Monograph of the North American Potentilleae

• Rydberg, P.A. 1900. Catalogue of the Flora of Montana and the Yellowstone National Park. Memoirs of The New York Botanical Garden 1: 1–492. BHL Reference page. 

• Rydberg, P.A. 1901. Studies on the Rocky Mountain Flora. - V. Bulletin of the Torrey Botanical Club 28(5): 266–284. BHL Reference page. 

• Rydberg, P.A. 1903. Studies on the Rocky Mountain Flora - X. Bulletin of the Torrey Botanical Club 30(4): 247–262. BHL Reference page. 

• Rydberg, P.A. 1904. Studies on the Rocky Mountain Flora - XI. Bulletin of the Torrey Botanical Club 31(7): 399–410. BHL Reference page. 

• Rydberg, P.A. 1906. Flora of Colorado. Fort Collins, Col., Experiment Station. 448 pp. BHL Reference page. 

• Rydberg, P.A. 1906. Studies on the Rocky Mountain Flora - XVI. Bulletin of the Torrey Botanical Club 33(3): 137–161. BHL Reference page. 

• Rydberg, P.A. 1912. Studies on the Rocky Mountain Flora - XXVII. Bulletin of the Torrey Botanical Club 39(7): 301–328. BHL Reference page. 

• Rydberg, P.A. 1917. Flora of the Rocky Mountains and adjacent plains. New York, published by the author. BHL Reference page. 
• 1918: Monograph on Rosa
• 1923: Flora of the Black Hills of South Dakota
• 1923: Memories from the Department of Botany of Columbia University

• Rydberg, P.A. 1927. North American Flora Volume 34, Part 4. (Carduales). Carduaceae. Liabeae, Neurolaeneae, Senecioneae (pars). New York, NY: New York Botanical Garden. BHL Reference page. 
• 1932: Flora of the Prairies and Plains of Central North America con M.A. Howe

External links

• Biography at New York Botanical Garden