American mannagrass
Glyceria grandis var. grandis S. Watson



EDDMapS Distribution

EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit

State Regulated List

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit

Invasive Listing Sources

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae
Genus: Glyceria
Subject: Glyceria grandis var. grandis S. Watson

Synonyms and Other Names

Related Scientific Names:
Glyceria spectabilis (Hartman) Holmb. (Synonym)
Molinia maxima (Hartman) Holmb. (Synonym)


Plants - Grass or Grasslike