Beckmannia syzigachne, the American sloughgrass, or slough grass, is an annual or short-lived perennial bunchgrass in the grass family, Poaceae, found in shallow marshes or sloughs.
Beckmannia syzigachne is widespread across much of Europe, Asia, and North America.Flora of China, 菵草 wang cao Beckmannia syzigachne (Steudel) Fernald, Rhodora. 30: 27. 1928. Biota of North America Program 2014 state-level distribution mapFernald, Merritt Lyndon 1928. The North American and East Asian Beckmannia. Rhodora 30(350):24- 27
Beckmannia syzigachne is one of only two species in the genus Beckmannia; the other being Beckmannia eruciformis. United States Department of Agriculture NRCS Plant Fact Sheet for B. syzigachne Retrieved 2010-03-07.
Genomics A chromosome-level genome assembly of Beckmannia syzigachne was published in 2026. The genome size is approximately 3.19 Gb, with 90.3% of the assembly anchored to 7 chromosomes. The assembly has a BUSCO completeness of 97.1%, and 36,944 protein-coding genes were predicted.
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