1-19 of 19 Books
A guide to aquatic smartweeds (Polygonum) of the United States
A guide to aquatic smartweeds (Polygonum) of the United States
By Richard Sheppard Mitchell
Variation in the Polygonum amphibium complex and its taxonomic significance
Variation in the Polygonum amphibium complex and its taxonomic significance
By Richard Sheppard Mitchell
Einige Beobachtungen zur Anatomie der vegetativen Organe von Polygonum und Fagopyrum
Einige Beobachtungen zur Anatomie der vegetativen Organe von Polygonum und Fagopyrum
By Schmidt, Emil

Memoria sulla cultura e gli usi economici del Polygonum tartaricum
By Massimo Moreschini

Polygonum Auberti, the delightful silver lace vine
By James I. George & Son

Natural enemies of invasive knotweeds in the Pacific Northwest
By James D. McIver
A monograph of the North American species of the genus polygonum
A monograph of the North American species of the genus polygonum
By John Kunkel Small
Evolutionary implications of phenotypic plasticity
Evolutionary implications of phenotypic plasticity
By Sonia Elizabeth Sultan

Monographiae generis polygoni prodromus
By C. F. Meissner

... A monograph of the North American species of the genus Polygonum
By John Kunkel Small

Mile-a-minute weed (Polygonum perfoliatum L.)
By Denise Binion

Monographiæ generis polygoni prodromus
By Karl Friedrich Meissner
On Polygonum nodosum
On Polygonum nodosum
By William T. Thiselton-Dyer,Henry Trimen

Taxonomy of Polygonum section Echinocaulon (Polygonaceae)
By Chong-Wook Park
The occurrence of Polygonum acadiense in Denmark
The occurrence of Polygonum acadiense in Denmark
By Merritt Lyndon Fernald
A new polygonum from Garfield County, Utah
A new polygonum from Garfield County, Utah
By J. F. Brenckle,Walter P. Cottam
Contribution à la systématique du Polygonum lapathifolium
Contribution à la systématique du Polygonum lapathifolium
By Benedictus Hubertus Danser
Production of some smartweeds in Washtenaw County, Michigan
Production of some smartweeds in Washtenaw County, Michigan
By Stanley E. Smith,University of Michigan. School of Natural Resources.