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... more about "Polygonum heterosepalum"
Mihai Costea +, François J. Tardif +  and Harold R. Hinds† +
M. Peck & Ownbey +
Dwarf desert knotweed +
Idaho +, Nev. +  and Oreg. +
1000-1500 m +
Dry waste ground, open flats in sagebrush plains, ponderosa pine forests +
Flowering Jun–Aug. +
Undefined sect. Duravia +  and Polygonum sect. Monticola +
Polygonum heterosepalum +
Polygonum sect. Duravia +
species +