On February 1, 1914, the writer began his duties in connection with the United States Agricultural Experiment Station at Sitka, Alaska. This made necessary a change in thesis subject and at the suggestion of Dr. Pammel, in whose department the major work was taken, the above subject was chosen
The aquatic flora of northern and northwestern Iowa is of great interest, and it deserves especial a...
In three former papers the writer has listed numerous plants new to our state, or noteworthy for oth...
While the authors were undergraduate students in the Biology Department at Parsons College, a major ...
On February 1, 1914, the writer began his duties in connection with the United States Agricultural E...
The following list of species is based on collection and observations by the writer except in the ca...
In the summer of 1946 a trip was made up the Alaska Highway by automobile. At this time the author u...
It has been the custom for some years with the forestry students of Iowa State College to spend one ...
Since the settlement of Iowa many changes have taken place in our flora, especially with reference t...
The following notes are the result of a series of studies made during the summer of 1895 when the wr...
In a number of former papers the writer presented notes on new or otherwise noteworthy native and in...
The task of reciting the history and activities of the work in botany at Iowa State College under th...
In this preliminary paper I shall consider briefly only the ecological conditions of the flora, chie...
During the past summer a hasty survey was made of that part of the Bitter Hoot Mountains west and so...
It is seldom that one sees a tract of our original prairie broken up, planted to trees and then left...
During the growing seasons of 1960 and 1961 several collections of the vascular plants of the Willia...
The aquatic flora of northern and northwestern Iowa is of great interest, and it deserves especial a...
In three former papers the writer has listed numerous plants new to our state, or noteworthy for oth...
While the authors were undergraduate students in the Biology Department at Parsons College, a major ...
On February 1, 1914, the writer began his duties in connection with the United States Agricultural E...
The following list of species is based on collection and observations by the writer except in the ca...
In the summer of 1946 a trip was made up the Alaska Highway by automobile. At this time the author u...
It has been the custom for some years with the forestry students of Iowa State College to spend one ...
Since the settlement of Iowa many changes have taken place in our flora, especially with reference t...
The following notes are the result of a series of studies made during the summer of 1895 when the wr...
In a number of former papers the writer presented notes on new or otherwise noteworthy native and in...
The task of reciting the history and activities of the work in botany at Iowa State College under th...
In this preliminary paper I shall consider briefly only the ecological conditions of the flora, chie...
During the past summer a hasty survey was made of that part of the Bitter Hoot Mountains west and so...
It is seldom that one sees a tract of our original prairie broken up, planted to trees and then left...
During the growing seasons of 1960 and 1961 several collections of the vascular plants of the Willia...
The aquatic flora of northern and northwestern Iowa is of great interest, and it deserves especial a...
In three former papers the writer has listed numerous plants new to our state, or noteworthy for oth...
While the authors were undergraduate students in the Biology Department at Parsons College, a major ...