Add to ORKGWith the addition of the present group of taxa to those reported by Christensen (1969, 1976, 1981) the total number of taxa reported for Pilot Knob Bog is 143, representing 20 genera
Dickinson County, Iowa, is one of the northern counties bordering on Minnesota, the third one east f...
A list is presented of the 147 species of marsh and aquatic tracheophytes known from Clinton, Jackso...
A natural history of the diatoms of Spirit Lake was in preparation by the senior author prior to his...
The 47 diatom taxa listed here plus the 43 taxa in the genus Pinnularia reported earlier (Christense...
With the addition of the present group of taxa to those reported by Christensen (1969, 1976, 1981) t...
A collection made near the base of a small waterfall in Marion County, Iowa, was examined. A total o...
Monthly collections of diatoms and water chemistry analyses were made on two drainage tiles which di...
Forty-three (43) taxa of Pinnularia collected from a Sphagnum bog in north central Iowa are added to...
Sedgewick-Rafter quantitative strip counts and proportional counts of Hyrax-mounted diatom slides we...
Seventy-four diatom species, varieties, and forms representing 15 genera were found in collections f...
The physical features of a fen are discussed including chemical and physical analyses of the water. ...
A total of 107 diatom taxa representing 22 genera was identified from four microhabitats in a northe...
A diatom flora associated with a lichen (Collema sp.) and various mosses on a sandstone outcrop in B...
To prior reports on the studies of the Iowa pteridophyre flora, five taxa (Botrychium campestre Wagn...
Biweekly diatom collections and chemical analyses were made in the autumn of 1970 from sites on Brew...
Dickinson County, Iowa, is one of the northern counties bordering on Minnesota, the third one east f...
A list is presented of the 147 species of marsh and aquatic tracheophytes known from Clinton, Jackso...
A natural history of the diatoms of Spirit Lake was in preparation by the senior author prior to his...
The 47 diatom taxa listed here plus the 43 taxa in the genus Pinnularia reported earlier (Christense...
With the addition of the present group of taxa to those reported by Christensen (1969, 1976, 1981) t...
A collection made near the base of a small waterfall in Marion County, Iowa, was examined. A total o...
Monthly collections of diatoms and water chemistry analyses were made on two drainage tiles which di...
Forty-three (43) taxa of Pinnularia collected from a Sphagnum bog in north central Iowa are added to...
Sedgewick-Rafter quantitative strip counts and proportional counts of Hyrax-mounted diatom slides we...
Seventy-four diatom species, varieties, and forms representing 15 genera were found in collections f...
The physical features of a fen are discussed including chemical and physical analyses of the water. ...
A total of 107 diatom taxa representing 22 genera was identified from four microhabitats in a northe...
A diatom flora associated with a lichen (Collema sp.) and various mosses on a sandstone outcrop in B...
To prior reports on the studies of the Iowa pteridophyre flora, five taxa (Botrychium campestre Wagn...
Biweekly diatom collections and chemical analyses were made in the autumn of 1970 from sites on Brew...
Dickinson County, Iowa, is one of the northern counties bordering on Minnesota, the third one east f...
A list is presented of the 147 species of marsh and aquatic tracheophytes known from Clinton, Jackso...
A natural history of the diatoms of Spirit Lake was in preparation by the senior author prior to his...