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Pellaea boivini Penthorum sedoides Persicaria sp Kawagoeanum sp Sao Paulo Philydrum lanuginosum Phyllanthus fluitans Physostegia purpurea Pilularia americana Pistia stratiotes

Plagiochila beddomei Podostemum ceratophyllum sp Vietnam nano Only one species, P. ceratophyllum found in North America. Pogostemon cablin Patchouli deccanensis erectus helferi quadrifolius sp tinai stellatus Polygonum barbatum maharastransii Polypleurum stylosum Potamogeton acutifolius alpinus gayi gramineus heterophylla nodosus perfoliatus pusillus Prionium serratum Proserpinaca palustris "Mermaid weed"