1-17 of 17 Books
The Linear-Leaved North American Species of Potamogeton, Section Axillares
The Linear-Leaved North American Species of Potamogeton, Section Axillares
By Merritt Lyndon Fernald
The linear-leaved North American species of Potamogeton, section axillares
The linear-leaved North American species of Potamogeton, section axillares
By Merritt Lyndon Fernald

The potamogetons (pond weeds) of the British Isles
By Alfred Fryer
Untersuchungen zur Biologie und Ökologie von Potamogeton polygonifolius Pourr. im Niederrheinischen Tiefland
Untersuchungen zur Biologie und Ökologie von Potamogeton polygonifolius Pourr. im Niederrheinischen Tiefland
By Klaus van de Weyer

The potamogetons in relation to pond culture ..
By Emmeline Moore
Rodzaj Potamogeton L. w Polsce
Rodzaj Potamogeton L. w Polsce
By Joanna Zalewska-Gałosz
Botanical information concerning two families of plants
Botanical information concerning two families of plants
By C. S. Rafinesque

Gibridy i maloizvestnye vidy vodnykh rasteniĭ
By V. G. Papchenkov
Die Potamogeta Böhmens
Die Potamogeta Böhmens
By Franz Xaver Fieber,Berchtold, Friedrich Graf von
Contribution à l'étude du système mécanique dans la racine des plantes aquatiques, les Potamogeton
Contribution à l'étude du système mécanique dans la racine des plantes aquatiques, les Potamogeton
By C. Sauvageau
Iskopaemye Potamogeton
Iskopaemye Potamogeton
By P. I. Dorofeev
Key to the North American species of Potamogeton
Key to the North American species of Potamogeton
By Eugene Cecil Ogden
A critical consideration of Hagström's work on Potamogeton ..
A critical consideration of Hagström's work on Potamogeton ..
By Harold St. John
The broad-leaved species of Potamogeton of North America north of Mexico
The broad-leaved species of Potamogeton of North America north of Mexico
By Eugene Cecil Ogden