by Merritt Lyndon Fernald
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Edible Wild Plants of Eastern North Amer...
Gray's new Manual of Botany, a Handbook ...
Gray's Manual of Botany
Undescribed plants from western Mexico
Studies of eastern American plants
Critical researches on the potamogetons
The broad-leaved species of Potamogeton ...
The linear-leaved North American species...
Botanical information concerning two fam...
The potamogetons (pond weeds) of the Bri...
Untersuchungen zur Biologie und Ökologie...