- Spartina anglica is a perennial rhizomatous grass that can grow from 11.8-51.2 in. (30-130 cm) tall.
- Leaves are 13.8-17.7 in. (35-45 cm) long, linear, flat, smooth, firm, green-grey in color with a fine apex, pointed tips, and entire margins. Where the leaf meets the sheath is a dense row of hair.
- Inflorescence is 4.7-15.7 in. (12-40 cm) long with 2-12 spikes that are 5.5-8.3 in. (14-21 cm) long. Flowers are colorless. Flowering periods vary based on the different climates of the plant’s location.
- Seeds are 0.6-0.8 in. (1.5-2 cm) long. Dozens are made by each flower head and are spread by the wind and tide. S. anglica can also spread through underground stems.
- Ecological Threat
- Spartina anglica can be found in mudflats, channels, marshes, and even in meadows. It is native to northern Europe.
- Global Invasive Species Database. Invasive Species Specialist Group (ISSG). 2011
- Oregon Department of Agriculture Plant Programs, Noxious Weed Control
- University of Alaska Anchorage, Alaska Natural Heritage Program
- Washington State Noxious Weed Control Board
- Flora of China, www.eFloras.org
- USDA NRCS PLANTS
- USDA ARS GRIN
Images from Bugwood.org