Soil Acidity, an Ecological Factor... [by] Arthur Pierson Kelley...
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Botanical Papers. II [Notes on Iowa Fungi, 1929-30 G.W. Martin. Studies in Iowa Plant-life. I. The Genera Equisetum, Quercus, Amelanchia and Fraxinus in the Okoboji Flora. The Water Supplying Capacity of Prairie Soil, as Indictated by Observations on a Virgin Prairie in Northwestern Iowa Arthur Pierson Kelley.].
Soil Acidity, an Ecological Factor
Arthur T. Pierson. A Biography ... Illustrated
Arthur P. Pierson
The Literature of Mycorrhizae
Mycotrophy in Plants; Lectures on the Biology of Mycorrhizae and Related Structures
Mycotrophic Nutrition
Digest of Mycorrhizal Literature
Additions to the Literature of Mycorrhizae
The Occurrence of Mycorrhizae
Creation: Evolution
The Literature of Mycorrhizae
Mycotrophy in Plants; Lectures on the Biology of Mycorrhizae and Related Structures
The Variations in Form of Mycorrhizal Short-roots of Pinus Virginiana Mill. Associated with Certain Soil Series
200 Years in the Shenandoah Valley
The Process of Phagocytosis in Mycorrhizao
Further Studies on the Continued Growth of the American Chestnut
200 Years in the Shenandoah Valley
Catalogue of the Vascular Plants of the Okoboji Region, Dickinson County, Iowa