Add to ORKGA posthumously published description of the landscape and vegetation (537 species) of an area near the northern boundary of Iowa before 1908, before the native plants were seriously reduced by agriculture. The entire herbarium of Mr. Wolden is now at the Iowa State University
A survey of Iowa\u27s floristic literature and herbarium resources indicates that while there is not...
During the growing seasons of 1960 and 1961 several collections of the vascular plants of the Willia...
Prior to Euro-American settlement 85% of Iowa was occupied by prairie. Today less than 0.02% of pre-...
A posthumously published description of the landscape and vegetation (537 species) of an area near t...
A list of 360 species of vascular plants inhabiting prairie remnants in northeast Iowa is presented....
During the summers of 1933 and 1934 about 750 species of flowering plants, ferns, and mosses were co...
A list of the vascular plants found on five prairie remnants in the vicinity of Ames, Iowa, was comp...
This report is the result of a study during the years 1938-41. The flowering plants as well as the o...
The original paper with this title, prepared in the late 1920\u27s, was submitted for publication in...
Iowa County has not been neglected botanically although there has never been a complete survey of th...
The purpose of this paper is to describe one of the few remaining tracts of virgin prairie in easter...
A 14.6 ha (36 acre) natural area consisting of marshes, moist to dry sandy prairie, and wet to moist...
The following notes are based upon collections in our private herbarium. In point of time the period...
A survey of Iowa\u27s floristic literature and herbarium resources indicates that while there is not...
During the growing seasons of 1960 and 1961 several collections of the vascular plants of the Willia...
Prior to Euro-American settlement 85% of Iowa was occupied by prairie. Today less than 0.02% of pre-...
A posthumously published description of the landscape and vegetation (537 species) of an area near t...
A list of 360 species of vascular plants inhabiting prairie remnants in northeast Iowa is presented....
During the summers of 1933 and 1934 about 750 species of flowering plants, ferns, and mosses were co...
A list of the vascular plants found on five prairie remnants in the vicinity of Ames, Iowa, was comp...
This report is the result of a study during the years 1938-41. The flowering plants as well as the o...
The original paper with this title, prepared in the late 1920\u27s, was submitted for publication in...
Iowa County has not been neglected botanically although there has never been a complete survey of th...
The purpose of this paper is to describe one of the few remaining tracts of virgin prairie in easter...
A 14.6 ha (36 acre) natural area consisting of marshes, moist to dry sandy prairie, and wet to moist...
The following notes are based upon collections in our private herbarium. In point of time the period...
A survey of Iowa\u27s floristic literature and herbarium resources indicates that while there is not...
During the growing seasons of 1960 and 1961 several collections of the vascular plants of the Willia...
Prior to Euro-American settlement 85% of Iowa was occupied by prairie. Today less than 0.02% of pre-...