perennial
Glyceria grandis S. Watson
Glyceria grandis S. Watson
Glyceria grandis S. Watson. Glyceria grandis is a species of grass known by the common name American mannagrass. It is native to Canada and the United States, where it is widespread in distribution. It is most commonly found in wet areas such as riverbanks and ponds.
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Glyceria grandis S. Watson — seeds, tools & books
Native range
Native range not recorded for this plant. Often a non-native cultivar or naturalized garden plant.
