A few resources found online in PDF or Word formats.
These have been gathered from around the web from various sources and some have no authors mentioned in the text. If you do find something familiar and know the author, please email me so attribution can be given.
I’ll add more as time permits.
De Materia Medica (pdf)
Edibles of Missouri from the Department of Conservation. (pdf).
From the Southwest School of Botanical Medicine and Michael Moore. An excerpt of his fifth edition in e-book form. matmedica
Useful Wild Plants of the United States and Canada by Charles Francis Saunders
Uses of Plants by the Indians of the Missouri River Region by Melvin Randolph Gilmore published in 1919. (pdf) missourivalley-gilmore-1
Mushroom Cap Morphology chart
Leaf Morphology chart
This is a link to Wildflowers Worth Knowing by Neltje Blanchan.
There are forty-four items in the downloadable folder and several different formats for download.