Add to ORKGThis paper is preliminary to a more complete study of this group of lichens. Up to the present time, I have examined, aside from my own field collections in the vicinity of Oskaloosa two herbaria
Collections of Cladonias with cup-shaped podetia were made in Illinois, Indiana, and Wisconsin in or...
While reading in the botanical library of the University of Minnesota during the summer of 1896, I n...
A diatom flora associated with a lichen (Collema sp.) and various mosses on a sandstone outcrop in B...
This paper is preliminary to a more complete study of this group of lichens. Up to the present time,...
Since our western hemisphere surpasses the eastern in number of species and varieties of Cladonias a...
Seventeen species collected since 1958 are listed and described. These are Amphiloma lanuginosum, Cl...
Numerous collections of lichens have been made during the past several years from a variety of habit...
Thirty-one species in 10 genera of foliose and fruticose lichens are reported for Linn County, inclu...
It has been my good fortune, through connection with the Minnesota Botanical Survey, to be able to s...
Since the publication of a preliminary list of the mosses and lichens of Emmet County in 1919, no sp...
The previous listings of Iowa lichens were compiled in the l890\u27s and early 1900\u27s and represe...
The lichens of this collection are all conspicuous foliaceous or fruticulose forms. One striking fea...
Many interesting features are presented by this group of organisms, some of which have been investig...
The study of the flora of The Ledges furnishes much opportunity for interesting research. Besides ...
A key to the common lichens of Boone and Story Counties, Iowa is presented with brief descriptions o...
Collections of Cladonias with cup-shaped podetia were made in Illinois, Indiana, and Wisconsin in or...
While reading in the botanical library of the University of Minnesota during the summer of 1896, I n...
A diatom flora associated with a lichen (Collema sp.) and various mosses on a sandstone outcrop in B...
This paper is preliminary to a more complete study of this group of lichens. Up to the present time,...
Since our western hemisphere surpasses the eastern in number of species and varieties of Cladonias a...
Seventeen species collected since 1958 are listed and described. These are Amphiloma lanuginosum, Cl...
Numerous collections of lichens have been made during the past several years from a variety of habit...
Thirty-one species in 10 genera of foliose and fruticose lichens are reported for Linn County, inclu...
It has been my good fortune, through connection with the Minnesota Botanical Survey, to be able to s...
Since the publication of a preliminary list of the mosses and lichens of Emmet County in 1919, no sp...
The previous listings of Iowa lichens were compiled in the l890\u27s and early 1900\u27s and represe...
The lichens of this collection are all conspicuous foliaceous or fruticulose forms. One striking fea...
Many interesting features are presented by this group of organisms, some of which have been investig...
The study of the flora of The Ledges furnishes much opportunity for interesting research. Besides ...
A key to the common lichens of Boone and Story Counties, Iowa is presented with brief descriptions o...
Collections of Cladonias with cup-shaped podetia were made in Illinois, Indiana, and Wisconsin in or...
While reading in the botanical library of the University of Minnesota during the summer of 1896, I n...
A diatom flora associated with a lichen (Collema sp.) and various mosses on a sandstone outcrop in B...