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Simple arthropod activity monitor
Authors: G D Campbell | E N Smith
Published in Pan-Pacific Entomologist, in 1975, in volume 51, issue 4, pages 328-329
Created: 2017-07-23, modified: 2017-07-23
A new Arenaria from Alaska
Authors: W B Drew
Published in Rhodora, in 1935, in volume 37, issue 438, pages 225-226
Created: 2014-06-16, modified: 2023-02-16
Spring Flora of Missouri
Authors: Review By: William B Drew
Published in Rhodora, in 1940, in volume 42, issue 498, pages 215-216
Created: 2016-07-19, modified: 2023-02-16
Additions to the Flora of Guam
Authors: Elmer Drew Merrill
Published in Phil. Jour. Sci., in 1919, in volume 15, pages 539-544
Created: 2017-07-28, modified: 2017-07-28
Notes on the Flora of Sumatra
Authors: Elmer Drew Merrill
Published in Phil. Jour. Sci., in 1919, in volume 14, pages 239-250
Created: 2017-07-28, modified: 2017-07-28
Lea,isaac Virginia Neogene Species
Authors: L D Campbell | S C Campbell
Published in American Malacological Bulletin, in 1986, in volume 4, issue 1, pages 39-42
Created: 2014-09-21, modified: 2014-09-21
Campbell, Douglas H. Nov. 13, 1891
Authors: Douglas H Campbell
Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24
Annotations
Authors: A J Campbell
Published in The Emu, in 1909, in volume 8, pages 142-148
Created: 2017-10-11, modified: 2022-12-02
Annotations
Authors: A J Campbell
Published in The Emu, in 1911, in volume 10, pages 337-339
Created: 2017-10-11, modified: 2022-12-02
Annotations
Authors: A J Campbell
Published in The Emu, in 1912, in volume 11, pages 245-248
Created: 2017-10-11, modified: 2022-12-02
A Query
Authors: D H Campbell
Published in Botanical Gazette, in 1887, in volume 12, issue 8, pages 198
Created: 2017-03-14, modified: 2017-03-14
An Acknowledgment
Authors: Douglas H Campbell
Published in Botanical Gazette, in 1888, in volume 13, issue 2, pages 40
Created: 2017-03-14, modified: 2017-03-14