Browse Items
Letter to Louis Hermann Pammel from Ada Hayden, August 4, 1922
Date: 1922-08-04
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, May 17, 1925
Date: 1925-05-17
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Louis Hermann Pammel to W. H. Stevenson, May 24, 1923
Date: 1923-05-24
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Prenanthes (Rattlesnake root)
Date: 1921-09-23
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, April 5, 1917
Date: 1917-04-05
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter to Louis Hermann Pammel from A. K. Peitersen, March 29, 1921
Date: 1921-03-29
Creator: Peitersen, A. K.
Subjects: Botany
Iowa State University
Location: Colorado--Fort Collins
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, May 9, 1910
Date: 1910-05-09
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Iowa Rose poem
Creator: Hayden, Ada, 1884-1950
Subjects: PoetryPrairiesRoses
Genre: poems
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Bidens frondosa (Beggar-ticks; Boot-jacks)
Date: 1918-09-03
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from S. W. Beyer to Louis Hermann Pammel, May 24, 1920
Date: 1920-05-24
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, September 16, 1909
Date: 1909-09-16
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, March 8, 1917
Date: 1917-03-08
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, July 28, 1919
Date: 1919-07-28
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--McGregorIowa--Clayton County
Genre: correspondence
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Hieracium canadense (Canada hawkweed)
Date: 1918-06-03
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Bidens frondosa and cernua (Leafy-bracted tickseed)
Date: 1919-08-17
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph of Cows Grazing in a Field
Creator: Hayden, Ada, 1884-1950
Subjects: CowsAgricultureNatural resources
Location: Iowa
Genre: photographs
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Sicyos angulatus (One-seeded bur cucumber)
Date: 1919-09-08
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Ada Hayden to Elizabeth, July 8, 1921
Date: 1921-07-08
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Colorado Agricultural College
Location: Colorado--Fort Collins
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, November 9, 1909
Date: 1909-11-09
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Letter from Louis Hermann Pammel to S. W. Beyer, November 24, 1919
Date: 1919-11-24
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, May 3, 1910
Date: 1910-05-03
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Copy of a letter from E. W. Stanton to J. D. Shearer, January 24, 1920
Date: 1920-01-24
Creator: Stanton, Edgar W. (Edgar Williams), 1916-
Subjects: Botany
Iowa State University
Location: Minnesota--Minneapolis
Genre: correspondence
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Letter from Louis Hermann Pammel to R. E. Buchanan, March 19, 1919
Date: 1919-03-19
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to S. W. Beyer, November 21, 1919
Date: 1919-11-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Charles Curtiss, April 21, 1920
Date: 1920-04-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from R. A. Pearson to Louis Hermann Pammel, June 1, 1920
Date: 1920-06-01
Creator: Pearson, Raymond A. (Raymond Allen), 1873-1939
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photograph of a Herd of Cows in a Cut Over Pasture East of Ames
Date: 1927-11
Creator: Hayden, Ada, 1884-1950
Subjects: CowsAgriculturePastures
Location: Iowa--AmesIowa--Story County
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, May 2, 1917
Date: 1917-05-02
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Eupatorium perfoliatum (Boneset)
Date: 1920-08-12
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to C. E. Allen, August 26, 1918
Date: 1918-08-26
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from S. W. Beyer to Louis Hermann Pammel, November 21, 1919
Date: 1919-11-21
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, April 10, 1924
Date: 1924-04-10
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Louis Hermann Pammel to J. D. Shearer, December 11, 1919
Date: 1919-12-11
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Minnesota--Minneapolis
Genre: correspondence
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Monarda fistulosa (Wild bergamot) specimen
Date: 1918-07-14
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from C.E. Allen to Louis Hermann Pammel, October 7, 1918
Date: 1918-10-07
Creator: Allen, C. E.
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photograph of Turkey River, Fayette County
Creator: Hayden, Ada, 1884-1950
Subjects: RiversNatural resources
Location: Iowa--Fayette County
Genre: photographs
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Letter from Herbert Jones to Louis Hermann Pammel, November 7, 1916
Date: 1916-11-07
Creator: Jones, Herbert W., Dr.
Subjects: Botany
Iowa State University
Location: Minnesota--Minneapolis
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, August 7, 1926
Date: 1926-08-07
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter to A. K. Peitersen from Louis Hermann Pammel, March 25, 1921
Date: 1921-03-25
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Colorado--Fort Collins
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, February 4, 1910
Date: 1910-02-04
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State College. Department of Botany
Location: Missouri--Saint Louis
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, March 30, 1910
Date: 1910-03-30
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Data chart
Date: 1950
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph of Potato Digging, East Pottawattamie County
Date: 1926-08-20
Subjects: AgriculturePotatoes
Location: Iowa--Pottawattamie County
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, June 8, 1910
Date: 1910-06-08
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Letter to Louis Hermann Pammel from Ada Hayden on July 26, 1921
Date: 1921-07-26
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Colorado--Fort Collins
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, December 27, 1916
Date: 1916-12-27
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Lucia R. Briggs to Louis Hermann Pammel, April 3, 1926
Date: 1926-04-03
Creator: Briggs, Lucia R.
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, August 2, 1912
Date: 1912-08-02
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Silphium perfoliatum (Indian cup) specimen
Date: 1918-08-12
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to S. W. Beyer, November 18, 1919
Date: 1919-11-18
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photographs of Prairies in Iowa
Creator: Brown, R. G.
Subjects: PrairiesGeologyPlants
Location: Iowa
Genre: photographs
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Letter from Ada Hayden to Louis Hermann Pammel, 1921
Date: 1921-11-08
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Photograph of an Oatfield in valley of Nishnabotna River, Pottawattamie County
Date: 1926-07
Creator: Hayden, Ada, 1884-1950
Subjects: Natural resourcesBotanyRivers
Location: Iowa--Pottawattamie County
Genre: photographs
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Letter from J. D. Shearer to Louis Hermann Pammel, December 17, 1919
Date: 1919-12-17
Creator: Shearer, James D.
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from S.W. Beyer to Louis Hermann Pammel, October 9, 1919
Date: 1919-10-09
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Vernonia fasciculata (Ironweed)
Date: 1918-08-01
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to T. W. Shearer, January 16, 1917
Date: 1917-01-16
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, March 3, 1917
Date: 1917-03-03
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel from Ada Hayden, November 29, 1923
Date: 1923-11-29
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, February 9, 1910
Date: 1910-02-09
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Aster multiflorus (Dense flowered aster) specimen
Date: 1921-09-28
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph Showing Soil after being Cultivation by a Drag Harrow, as Part of a Project for the Agricultural Engineering and Botany Department at Iowa State University
Date: 1926-03
Creator: Hayden, Ada, 1884-1950
Subjects: Natural resourcesSoils
Iowa State University
Location: Iowa
Genre: photographs
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Letter from Louis Hermann Pammel to I. E. Melhus, April 21, 1924
Date: 1924-04-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Louis Hermann to Ada Hayden, July 6, 1925
Date: 1925-07-06
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, May 16, 1923
Date: 1923-05-16
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyAlgae
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, September 2, 1919
Date: 1919-09-02
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter to Louis Hermann Pammel from Ada Hayden on April 19, 1910
Date: 1910-04-19
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State College. Department of Botany
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Echinocystis lobata (Wild balsam apple) specimen
Date: 1919-08-12
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Echinocystis lobata (Wild balsam apple)
Date: 1918-08-12
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to J. D. Shearer, December 3, 1919
Date: 1919-12-03
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Minnesota--Minneapolis
Genre: correspondence
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Photograph of Rodents Holes in a Bluegrass Pasture, Northeast of Ames, Iowa
Date: 1927-10
Creator: Hayden, Ada, 1884-1950
Subjects: Natural resourcesRodents--Habitat
Location: Iowa--AmesIowa--Story County
Genre: photographs
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Letter from Louis Hermann Pammel to C. E. Allen, October 11, 1918
Date: 1918-10-11
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Wisconsin--Madison
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, June 11, 1910
Date: 1910-06-11
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State College. Department of Botany
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, January 16, 1917
Date: 1917-01-16
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Elizabeth, Sept. 16, 1909
Date: 1909-09-16
Subjects: Meetings--Planning
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter to Elizabeth from Ada Hayden on June 12, 1921
Date: 1921-06-12
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Colorado--Fort Collins
Genre: correspondence
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Letter from S. W. Beyer to Louis Hermann Pammel, December 1, 1919
Date: 1919-12-01
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Rudbeckia hirta (Black-eyed Susan)
Date: 1918-06-21
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph of a Herd of Cows Grazing in a Cut Over Pasture East of Ames
Date: 1927
Creator: Hayden, Ada, 1884-1950
Subjects: CowsAgriculturePastures
Location: Iowa--AmesIowa--Story County
Genre: photographs
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Letter from Administration of Iowa State College to Ada Hayden, November 8, 1918
Date: 1918-11-08
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Louis Hermann Pammel to S. W. Beyer, December 3, 1919
Date: 1919-12-03
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Erigeron (Fleabane)
Date: 1918-05-31
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph of a Roadside Ditch and Plants
Creator: Hayden, Ada, 1884-1950
Subjects: Natural resourcesPlantsDitches
Location: Iowa
Genre: photographs
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Radio Script: 'Native Iowa Prairie Land'
Date: 1946-07-03
Subjects: BotanyNatural resourcesNature conservationPrairies
Genre: radio scripts
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Letter to Louis Hermann Pammel from Ada Hayden on December 2, 1919
Date: 1919-12-02
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter to Louis Hermann Pammel from Ada Hayden
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, March 16, 1917
Date: 1917-03-16
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Erigeron (Fleabane)
Date: 1918-05-01
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Ada Hayden to Louis Hermann, July 14, 1921
Date: 1921-07-14
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, 18, 1919
Date: 1919-03-18
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, August 10, 1926
Date: 1926-04-10
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Aster novae-angliae (New England aster)
Date: 1918-08-26
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph of a Weedy Cornfield, Sand Burr (Cenchrus Tribuloides), Sandy Morainal Hillside
Date: 1919
Creator: Hayden, Ada, 1884-1950
Subjects: AgricultureCornWeeds
Location: Iowa
Genre: photographs
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Letter to Ada Hayden, August 1, 1919
Date: 1919-08-01
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, March 14, 1917
Date: 1917-03-14
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Louis Hermann Pammel to the Secretary of Board of Fellowships in Biological Sciences at the National Research Council, June 15, 1923
Date: 1923-06-15
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Washington (D.C.)
Genre: correspondence
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Original Forest Cover of Iowa Map
Date: 1933
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Location: Iowa
Genre: photographs
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Liatris scariosa (Blazing star)
Date: 1920-08-27
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Amorpha canescens (Lead plant)
Date: 1921-06-28
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph of Men Harvesting Onions, St. Ansgar, Mitchell County
Date: 1927
Creator: Hayden, Ada, 1884-1950
Subjects: OnionsAgricultureHarvesting
Location: Iowa--Mitchell County
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, July 7, 1915
Date: 1915-07-07
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Illinois--Chicago
Genre: correspondence
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Lycium barbarum L. (Matrimony vine)
Date: 1920-07-23
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Photograph of Potato Digging, East Pottawattamie County
Date: 1926-08-20
Subjects: AgriculturePotatoesHarvesting
Location: Iowa--Pottawattamie County
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, May 16, 1917
Date: 1917-05-16
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Nacogdoches
Genre: correspondence
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Letter from Louis Hermann Pammel to S. W. Beyer, November 18, 1919
Date: 1919-11-18
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to S. W. Beyer, December 3, 1919
Date: 1919-12-03
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Copy of a letter from Ada Hayden to Louis Hermann Pammel, December 2, 1919
Date: 1919-12-02
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Trifolium repens (White clover)
Date: 1919-06-01
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Ada Hayden to Louis Hermann Pammel, December 16, 1925
Date: 1925-12-16
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Prairie near Lime Springs (Howard County), Iowa
Date: 1945-07-01
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Location: Iowa--Howard CountyIowa
Genre: photographs
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Letter to Louis Hermann Pammel from Ada Hayden on July 22, 1922
Date: 1922-07-22
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Copy of a letter from James Shearer to E. W. Stanton, February 19, 1920
Date: 1920-02-19
Creator: Shearer, James D.
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Copy of a Letter from Louis Hermann Pammel to S. W. Beyer, November 24, 1919
Date: 1919-11-24
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photograph of a Weedy Cornfield, Sand Burr, Sandy Morainal Hillside
Date: 1919
Creator: Hayden, Ada, 1884-1950
Subjects: AgricultureCorn
Location: Iowa
Genre: photographs
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Letter from Louis Hermann Pammel to D. M. Hayden, November 24, 1909
Date: 1909-11-24
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Lucia R. Briggs, April 5, 1926
Date: 1926-04-05
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Wisconsin--Milwaukee
Genre: correspondence
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Helianthus sp. (Sunflower)
Date: 1919-09-10
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from C.E. Allen to Louis Hermann Pammel, August 15, 1918
Date: 1918-08-15
Creator: Allen, C. E.
Subjects: Botany
Iowa State University
Location: Wisconsin--Cable
Genre: correspondence
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Letter from Louis Hermann Pammel to C. E. Allen, August 12, 1918
Date: 1918-08-12
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Wisconsin--Cable
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, April 21, 1910
Date: 1910-04-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Letter from Louis Hermann Pammel to S. W. Beyer, November 21, 1919
Date: 1919-11-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, March 17, 1910
Date: 1910-03-17
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State College. Department of Botany
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photograph of a Habitat of Polygonum Coccinea, found North of Panora, Iowa
Date: 1932-07
Creator: Hayden, Ada, 1884-1950
Subjects: BayousNatural resources
Location: Iowa--PanoraIowa--Guthrie County
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, June 4, 1917
Date: 1917-06-04
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Lufkin
Genre: correspondence
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Photograph of a Weedy Cornfield, Sandy Morainal Hillside, Old Bed of Des Moines River
Date: 1919
Creator: Hayden, Ada, 1884-1950
Subjects: AgricultureCornWeeds
Location: Iowa
Genre: photographs
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Letter from S. W. Beyer to Louis Hermann Pammel, December 1, 1919
Date: 1919-12-01
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, January 8, 1917
Date: 1917-01-08
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from S. W. Beyer to Louis Hermann Pammel, November 21, 1919
Date: 1919-11-21
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photograph of a Habitat of Polygonum Coccinea, Bayou, North of Panora, Iowa
Date: 1932-07
Creator: Hayden, Ada, 1884-1950
Subjects: BayousNatural resources
Location: Iowa--PanoraIowa--Guthrie County
Genre: photographs
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Echinacea purpurea (Coneflower) specimen
Date: 1921-06-28
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Bidens cernua (Stick-tight, smaller bur marigold)
Date: 1919-10-17
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to R. A. Pearson, May 24, 1920
Date: 1920-05-24
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Copy of a letter from James Shearer to Ada Hayden, February 19, 1920
Date: 1920-02-19
Creator: Shearer, James D.
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, October 13, 1909
Date: 1909-10-13
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Photograph of a Field with Wooden Posts
Creator: Hayden, Ada, 1884-1950
Subjects: Natural resourcesPlants
Location: Iowa
Genre: photographs
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Letter from Ada Hayden to Louis Hermann Pammel, March 28, 1910
Date: 1910-03-28
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, August 11, 1909
Date: 1909-08-11
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State College. Department of Botany
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photograph of Bare Cow Pasture, Calhoun County
Date: 1926-07
Creator: Hayden, Ada, 1884-1950
Subjects: AgricultureCowsNatural resources
Location: Iowa--Calhoun County
Genre: photographs
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Letter from Dr. Gates Roberts to Ada Hayden, December 16, 1916
Date: 1916-12-16
Creator: Roberts, Gates
Subjects: CommitteesBotany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Photograph of Men Harvesting Onions, St. Ansgar, Mitchell County
Date: 1927
Creator: Hayden, Ada, 1884-1950
Subjects: OnionsAgricultureHarvesting
Location: Iowa--Mitchell County
Genre: photographs
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Photograph of Mr. Vogt's Pigs, Pottawattamie County
Date: 1926
Creator: Hayden, Ada, 1884-1950
Subjects: SwineAgriculture
Location: Iowa--Pottawattamie County
Genre: photographs
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Letter from Ada Hayden to Louis Hermann Pammel, July 9, 1925
Date: 1925-07-09
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Lee County
Genre: correspondence
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Letter from J. N. Martin to Louis Hermann Pammel, November 21, 1919
Date: 1919-11-21
Creator: Martin, John N. (John Nathan), 1875-
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Trifolium repens (White clover)
Date: 1919-06-06
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Ada Hayden to Louis Hermann Pammel, August 5, 1919
Date: 1919-08-05
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, January 12, 1917
Date: 1917-01-12
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, May 31, 1917
Date: 1917-06-31
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Texas--Lufkin
Genre: correspondence
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Alcea (Hollyhocks)
Date: 1921-07-03
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, March 21, 1910
Date: 1910-03-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Letter from Ada Hayden to the Committee on the United War Efficiency Fund, November 10, 1919
Date: 1919-11-10
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, August 9, 1919
Date: 1919-08-09
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from John N. Martin to Louis Hermann Pammel, April 28, 1920
Date: 1920-04-28
Creator: Martin, John N. (John Nathan), 1875-
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from James D. Shearer to Louis Hermann Pammel, December 8, 1919
Date: 1919-12-08
Creator: Shearer, James D.
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, January 22, 1924
Date: 1924-01-22
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Letter from C.E. Allen to Louis Hermann Pammel, August 5, 1918
Date: 1918-08-05
Creator: Allen, C. E.
Subjects: Botany
Iowa State University
Location: Wisconsin--Cable
Genre: correspondence
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Letter from S. W. Beyer to Louis Hermann Pammel, December 1, 1919
Date: 1919-12-01
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter to Louis Hermann Pammel from A. K. Peitersen, March 23, 1921
Date: 1921-03-23
Creator: Peitersen, A. K.
Subjects: Botany
Iowa State University
Location: Colorado--Fort Collins
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, April 11, 1910
Date: 1910-04-11
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, December 21, 1916
Date: 1916-12-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, April 5, 1910
Date: 1910-04-05
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, January 9, 1917
Date: 1917-01-09
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from Louis Hermann Pammel to D. M. Hayden, November 9, 1909
Date: 1909-11-09
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letters from Ada Hayden to Louis Hermann Pammel, May 1917
Date: 1917
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, July 13, 1925
Date: 1925-07-13
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--Ames
Genre: correspondence
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Copy of a letter from S. W. Beyer to Louis Hermann Pammel, December 1, 1919
Date: 1919-12-01
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, April 1, 1917
Date: 1917-04-01
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Texas--Lufkin
Genre: correspondence
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Bidens cernua (Stick-tight, smaller bur marigolds)
Date: 1919-10-17
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Louis Hermann Pammel to Ada Hayden, November 6, 1909
Date: 1909-11-06
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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Copy of a letter from Ada Hayden to Louis Hermann Pammel, December 2, 1919
Date: 1919-12-02
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Cucumis melo (Muskmelon)
Date: 1921-07-18
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Report on Some Campus Memorials
Date: 1949
Creator: Hayden, Ada, 1884-1950
Subjects: MemorialsCollege campuses
Iowa State University
Location: Iowa--Ames
Genre: reports
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Letter from Louis Hermann Pammel to D. M. Hayden, January 29, 1910
Date: 1910-01-29
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter of recommendation from Louis Hermann Pammel to the Superintendent of Public Schools in Minneapolis, Minnesota, February 21, 1911
Date: 1911-02-21
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: BotanyEducationTeachers
Location: Minnesota--Minneapolis
Genre: correspondence
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Letter from Louis Hermann Pammel to the Secretary of Board of Fellowships in Biological Sciences at the National Research Council, June 15, 1923
Date: 1923-06-15
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Washington (D.C.)
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, November 15, 1916
Date: 1916-11-15
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Ada Hayden to Louis Hermann Pammel, November 14, 1919
Date: 1919-11-14
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Eripatorium serolinum (Late-flowering thoroughwort)
Date: 1918-08-12
Creator: Hayden, Ada, 1884-1950
Subjects: BotanyPlant ecologyPrairie ecologyPrairie plants
Genre: photographs
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Letter from Ada Hayden to Louis Hermann Pammel, March 18, 1919
Date: 1919-03-18
Creator: Hayden, Ada, 1884-1950
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Photograph of Turkey River South of Clermont, Fayette County
Date: 1927-07
Creator: Hayden, Ada, 1884-1950
Subjects: RiversNatural resources
Location: Iowa--Fayette County
Genre: photographs
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Letter to Ada Hayden from Louis Hermann Pammel on July 3, 1917
Date: 1917-07-03
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Texas--Houston
Genre: correspondence
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Letter from S. W. Beyer to E. W. Stanton, December 10, 1919
Date: 1919-12-10
Creator: Beyer, Samuel W., 1865-1931
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Milford (Story County : Township)
Genre: correspondence
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Letter from Charles Curtiss to Louis Hermann Pammel, April 20, 1920
Date: 1920-04-20
Creator: Curtiss, Charles F., 1863-1946
Subjects: Botany
Iowa State University
Location: Iowa--AmesIowa--Story County
Genre: correspondence
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Letter from Louis Hermann Pammel to Ada Hayden, April 12, 1910
Date: 1910-04-12
Creator: Pammel, L. H. (Louis Hermann), 1862-1931
Subjects: Botany
Iowa State University
Location: Missouri--Saint Louis
Genre: correspondence
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