#family_Pontederiaceae__Pontederiaceae__pickerelweed_family  aquatic or bog plants
  supertype:  #monocot_family__monocotfamily__liliopsid_family__liliopsidfamily  family of flowering plants having a single cotyledon (embryonic leaf) in the seed
  member of:  #order_Xyridales
  member:  #genus_Pontederia__Pontederia  pickerelweed
     member:  #pickerelweed__pickerel_weed__wampee__Pontederia_cordata  American plant having spikes of blue flowers and growing in shallow water of streams and ponds
  member:  #genus_Eichhornia__Eichhornia  water hyacinth; water orchid
     member:  #water_hyacinth__waterhyacinth__water_orchid__waterorchid__Eichhornia_crassipes__Eichhornia_spesiosa  a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States
  member:  #genus_Heteranthera__Heteranthera  mud plantains
     member:  #water_star_grass__mud_plantain__mudplantain__Heteranthera_dubia  grassy-leaved North American aquatic plant with yellow star-shaped blossoms

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