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Subject Asteraceae Creator Hayden, Junior F.

Achillea millefolium

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Achillea millefolium

Achillea millefolium

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Achillea millefolium

Ageratina altissima

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Ageratina altissima

Ambrosia artemisiifolia

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Ambrosia artemisiifolia

Ambrosia artemisiifolia

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Ambrosia artemisiifolia

Ambrosia psilostachya

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Ambrosia psilostachya

Ambrosia trifida

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Ambrosia trifida

Ambrosia trifida

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Ambrosia trifida

Ambrosia trifida

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Ambrosia trifida

Anaphalis margaritacea

Creator:: Hayden, Junior F.
Created:: 1940 - 1949
Contributed By:: University of Minnesota Libraries, University Archives.
Last Updated:: 2017-11-28

Anaphalis margaritacea