Louis Hermann Pammel

Notes on the Bacteriological Analysis of Water (Classic Reprint)

Weeds of the Farm and Garden (Classic Reprint)

A Comparative Study of the Vegetation of Swamp, Clay, and Sandstone Areas in Western Wisconsin, Southeastern Minnesota, Northeastern, Central, and Southeastern Iowa (Classic Reprint)

Anatomical Characters of the Seeds of Leguminosae, Chiefly Genera of Gray's Manual (Classic Reprint)

Notes on the Flora, Especially the Forest Flora, of the Bitter Root Mountains (Classic Reprint)

A Manual of Poisonous Plants; Chiefly of Eastern North America, with Brief Notes on Economic and Medicinal Plants, and Numerous Illustrations Volume

A Lecture on Pollination of Flowers; Cross and Self-Fertilization in Plants. the Effects of Cross-Fertilization in Plants

A Manual of Poisonous Plants, Chiefly of Eastern North America; With Brief Notes on Economic and Medicinal Plants, and Numerous Illustrations

The Grasses of Iowa Volume 1, PT. 2

Weeds of the Farm and Garden

The Grasses of Iowa: The Descriptive and Geographical Study of the Grasses of Iowa (Classic Reprint)

Ecology

The Russian Thistle...

The Grasses of Iowa Volume 1, PT. 1

The Grasses of Iowa Volume 2

Anatomical Characters of the Seeds of Leguminosae Volume 5

Some Weeds of Iowa

The Weed Flora of Iowa Volume 4

The Grasses of Iowa, Volume 1, Part 2...

Proceedings of the Iowa Park and Forestry Association; First Annual Meeting, Des Moines, 1901

A Manual of Poisonous Plants, Chiefly of Eastern North America (Volume 1)

A Comparative Study Of The Vegetation Of Swamp, Clay, And Sandstone Areas In Western Wisconsin, Southeastern Minnesota, Northeastern, Central, And Southeastern Iowa

Notes on the Grasses and Forage Plants of Iowa, Nebraska, and Colorado, Volumes 1-10...

The Weed Flora of Iowa