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Non-native Plant
Polygonum sachalinense
Non-native Plant
Polygonum perfoliatum
Non-native Plant
Polygonum cuspidatum
Non-native Plant
Potamogeton crispus
Non-native Plant
Polygonum convolvulus
Non-native Plant
Poa compressa
Non-native Plant
Polygonum cespitosum
Non-native Plant
Polygonum ×bohemicum
Non-native Plant
Poa annua
Non-native Plant
Populus alba
Non-native Plant
Plantago
Non-native Plant
Pinus thunbergii
Native Plant
Pistia stratiotes
Non-native Plant
Pimpinella saxifraga
Non-native Plant
Phyllanthus urinaria
