Common name
              Signal Grass
          Informal group
              Plants
          Territories
              
          Establishment status
              
          Establishment status detail
              Established. (Lambdon, P., & Darlow, A. (2012). Flowering plants & ferns of St Helena. Pisces Publications for St Helena Nature Conservation Group);
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Habitat
          
     15. Artificial - Aquatic
  
      - 15.7. Artificial - Aquatic – Irrigated Land [includes irrigation channels]
 - 15.9. Artificial - Aquatic – Canals and Drainage Channels, Ditches
 
     5. Wetlands (inland)
  
      - 5.4. Wetlands (inland) – Bogs, marshes, swamps, fens, peatlands
 - 5.7. Wetlands (inland) – Permanent freshwater marshes/pools (under 8 ha)
 - 5.8. Wetlands (inland) – Seasonal/intermittent freshwater marshes/pools (under 8 ha)
 
References
              Lambdon, P., & Darlow, A. (2012). Flowering plants & ferns of St Helena. Pisces Publications for St Helena Nature Conservation Group. Pisces Publications for St Helena Nature Conservation Group.