Add to ORKGABSTRACT-A mature bloom of Aphanizomenon elenkinii Kissel, type II, appeared in a local lake in late April, early May, 1971. The appearance of the alga in late spring and changes in the structures of the alga from those previously reported are of interest
During the summer of 1958, a search was conducted for specimens of algae which could be used in a gr...
My project for the last few weeks of the summer session of UMBS has been the development of a specie...
In the autumn of 1939, our Botany class went on a field trip to the Iowa River Valley in Tama County...
Aphanizomenon Elenkinii Kissel., heretofore described only from the Black Sea area of Russia, has be...
Aphanizomenon flos-aquae for the past few years has been an extremely serious pest in a number of th...
Aphanizomenon flos-aquae is a blue green alga which forms a conspicuous part of the algal bloom in m...
In January, 1933. the writer began working on a special problem in the identification of the plankto...
The submerged, floating, and emergent vascular flora of Lake East Okoboji, Dickenson County, Iowa, w...
A description of the physical features, including a chemical water analysis, is given. Collections w...
Audouinella violacea (Kutz.) Hamel, previously unreported from Iowa, was an important member of the ...
This study investigated the seasonal dynamics of two populations of Aphanizomenon flos-aquae Ralfs e...
As with other groups of plants, the Atracheata observe times and seasons. A few species may be found...
The author provides additional data to his publication of 1955. In a table he shows his results conc...
Diatoms of the genus Eunotia are identified from collections made in a soft water-acid environment. ...
This study investigated the seasonal dynamics of two populations of Aphanizomenon flos-aquae Ralfs e...
During the summer of 1958, a search was conducted for specimens of algae which could be used in a gr...
My project for the last few weeks of the summer session of UMBS has been the development of a specie...
In the autumn of 1939, our Botany class went on a field trip to the Iowa River Valley in Tama County...
Aphanizomenon Elenkinii Kissel., heretofore described only from the Black Sea area of Russia, has be...
Aphanizomenon flos-aquae for the past few years has been an extremely serious pest in a number of th...
Aphanizomenon flos-aquae is a blue green alga which forms a conspicuous part of the algal bloom in m...
In January, 1933. the writer began working on a special problem in the identification of the plankto...
The submerged, floating, and emergent vascular flora of Lake East Okoboji, Dickenson County, Iowa, w...
A description of the physical features, including a chemical water analysis, is given. Collections w...
Audouinella violacea (Kutz.) Hamel, previously unreported from Iowa, was an important member of the ...
This study investigated the seasonal dynamics of two populations of Aphanizomenon flos-aquae Ralfs e...
As with other groups of plants, the Atracheata observe times and seasons. A few species may be found...
The author provides additional data to his publication of 1955. In a table he shows his results conc...
Diatoms of the genus Eunotia are identified from collections made in a soft water-acid environment. ...
This study investigated the seasonal dynamics of two populations of Aphanizomenon flos-aquae Ralfs e...
During the summer of 1958, a search was conducted for specimens of algae which could be used in a gr...
My project for the last few weeks of the summer session of UMBS has been the development of a specie...
In the autumn of 1939, our Botany class went on a field trip to the Iowa River Valley in Tama County...