Informal group
              Plants
          Territories
              
          First record
              1816
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Habitat
          
     15. Artificial - Aquatic
  
      - 15.1. Artificial - Aquatic – Water Storage Areas [over 8 ha]
 - 15.2. Artificial - Aquatic – Ponds [below 8 ha]
 - 15.7. Artificial - Aquatic – Irrigated Land [includes irrigation channels]
 - 15.8. Artificial - Aquatic – Seasonally Flooded Agricultural Land
 - 15.9. Artificial - Aquatic – Canals and Drainage Channels, Ditches
 
     4. Grassland
  
      - 4.6. Grassland – Subtropical/tropical seasonally wet/flooded
 
     5. Wetlands (inland)
  
      - 5.1. Wetlands (inland) – Permanent rivers/streams/creeks (includes waterfalls)
 - 5.2. Wetlands (inland) – Seasonal/intermittent/irregular rivers/streams/creeks
 - 5.4. Wetlands (inland) – Bogs, marshes, swamps, fens, peatlands
 - 5.5. Wetlands (inland) – Permanent freshwater lakes (over 8 ha)
 - 5.6. Wetlands (inland) – Seasonal/intermittent freshwater lakes (over 8 ha)
 - 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; Beatson, A. (1816). Tracts Relative to the Island of St. Helena. Appendix I: An alphabetical list of plants seen by Dr. Roxburgh growing on the island of St. Helena. W. Bulmer & Co., London