The first paper on Heliantheae of Iowa included the genera Galinsoga, Eclipta, Actinomeris, Parthenium, Polymnia, Ambrosia, Iva, and Xanthium. This list was made up of the introduced, the doubtful, and some of the obnoxious weed species of the Tribe Heliantheae. The review covered the history and the distribution of the species in the United States and in Iowa. In the descriptions of the species, emphasis was laid on the minute details of the floral structures in the effort to bring out the distinctive and possibly hitherto unnoted features that mark the species
In this paper it is the intention of the writer to enumerate only such species as have not before be...
Among many items of interest encountered during the past year in routine work in the Herbarium of th...
The flora of Iowa is relatively well known compared to that of some of the southern and western stat...
The first paper on Heliantheae of Iowa included the genera Galinsoga, Eclipta, Actinomeris, Partheni...
Heliantheae is one of the nine tribes of the Family Compositae. It is believed to have originated in...
In the Proceedings of the Iowa Academy of Science for the year of 1904, Volume XII, page 157, will b...
The low shrubs known as New Jersey Tea, belonging to the Genus Ceanothus, were once very abundant th...
Author Institution: Department of Botany and Plant Pathology, The Ohio State University, Columbus 1
In two former papers the writer listed a number of plants that were noteworthy or new to the Iowa fl...
In my collecting last summer about Fayette, I found the following plants, some of which, so far as I...
This preliminary list of more than 3,000 species includes only the native plants and those that have...
Since issuing No.1 of my paper on the above subject1 quite a number of interesting plants, many of t...
Forty-seven taxa of vascular plants were originally described in whole or in part on the basis of ty...
Since the settlement of Iowa many changes have taken place in our flora, especially with reference t...
Among the groups of plants hitherto neglected by Iowa botanists, the liverworts are by no means the ...
In this paper it is the intention of the writer to enumerate only such species as have not before be...
Among many items of interest encountered during the past year in routine work in the Herbarium of th...
The flora of Iowa is relatively well known compared to that of some of the southern and western stat...
The first paper on Heliantheae of Iowa included the genera Galinsoga, Eclipta, Actinomeris, Partheni...
Heliantheae is one of the nine tribes of the Family Compositae. It is believed to have originated in...
In the Proceedings of the Iowa Academy of Science for the year of 1904, Volume XII, page 157, will b...
The low shrubs known as New Jersey Tea, belonging to the Genus Ceanothus, were once very abundant th...
Author Institution: Department of Botany and Plant Pathology, The Ohio State University, Columbus 1
In two former papers the writer listed a number of plants that were noteworthy or new to the Iowa fl...
In my collecting last summer about Fayette, I found the following plants, some of which, so far as I...
This preliminary list of more than 3,000 species includes only the native plants and those that have...
Since issuing No.1 of my paper on the above subject1 quite a number of interesting plants, many of t...
Forty-seven taxa of vascular plants were originally described in whole or in part on the basis of ty...
Since the settlement of Iowa many changes have taken place in our flora, especially with reference t...
Among the groups of plants hitherto neglected by Iowa botanists, the liverworts are by no means the ...
In this paper it is the intention of the writer to enumerate only such species as have not before be...
Among many items of interest encountered during the past year in routine work in the Herbarium of th...
The flora of Iowa is relatively well known compared to that of some of the southern and western stat...