The Sioux quartzite is exposed in this state only in the extreme northwestern corner of Lyon County. Other and greater exposures however are found in the adjacent parts of South Dakota
The enthusiastic collector of rocks and minerals enjoys and practices a most interesting hobby. Natu...
Webster County lies just north and west of the geographical· center of Iowa and is somewhat larger t...
This botanical survey of the vascular plants of Cedar County, Iowa, was made in an effort to increas...
A further study of the flora of this restricted exposure during the third and fourth weeks of last J...
Gitchie Manitou State Preserve in Lyon Co., Iowa is unique for its relict prairie and quartzite flor...
Iowa County has not been neglected botanically although there has never been a complete survey of th...
A survey of the vascular plants of southwestern Iowa was made by the writer in order to obtain more ...
In the south-central part of Boone County is an area that possesses characteristic plants as well as...
In the extreme north western corner of Iowa there is a small area of very hard, thoroughly vitreous ...
The territory of southwestern Iowa in this report includes Harrison, Shelby, Audubon, Guthrie, Potta...
The aquatic flora of northern and northwestern Iowa is of great interest, and it deserves especial a...
The combined vascular flora of Lyon and Sioux counties, Iowa, based upon field and herbarium study, ...
Botanically and geologically, one of the most interesting areas in the Upper Middle West is the Dri...
The flora of the loess in western Iowa is unique, in many respects. While it may be said that many p...
This survey brings together the available information on the vascular flora of Cherokee County, Iowa...
The enthusiastic collector of rocks and minerals enjoys and practices a most interesting hobby. Natu...
Webster County lies just north and west of the geographical· center of Iowa and is somewhat larger t...
This botanical survey of the vascular plants of Cedar County, Iowa, was made in an effort to increas...
A further study of the flora of this restricted exposure during the third and fourth weeks of last J...
Gitchie Manitou State Preserve in Lyon Co., Iowa is unique for its relict prairie and quartzite flor...
Iowa County has not been neglected botanically although there has never been a complete survey of th...
A survey of the vascular plants of southwestern Iowa was made by the writer in order to obtain more ...
In the south-central part of Boone County is an area that possesses characteristic plants as well as...
In the extreme north western corner of Iowa there is a small area of very hard, thoroughly vitreous ...
The territory of southwestern Iowa in this report includes Harrison, Shelby, Audubon, Guthrie, Potta...
The aquatic flora of northern and northwestern Iowa is of great interest, and it deserves especial a...
The combined vascular flora of Lyon and Sioux counties, Iowa, based upon field and herbarium study, ...
Botanically and geologically, one of the most interesting areas in the Upper Middle West is the Dri...
The flora of the loess in western Iowa is unique, in many respects. While it may be said that many p...
This survey brings together the available information on the vascular flora of Cherokee County, Iowa...
The enthusiastic collector of rocks and minerals enjoys and practices a most interesting hobby. Natu...
Webster County lies just north and west of the geographical· center of Iowa and is somewhat larger t...
This botanical survey of the vascular plants of Cedar County, Iowa, was made in an effort to increas...