Invasive Plants

It is recommended by specialists in invasive species for Portland that these three plants be removed from around your floating home. For help in removal, please contact the maintenance manager. OYCPlant1 Floating Pennywort: currently under study as to its status by PSU, but because of high proliferation, should be removed.   OYCPlant2Sm   Water Lettuce: Legal in Oregon but noxious or noxious and illegal in many southern states. With climate change may winter over. Suggest keeping these plants on one’s deck in a water container if desired. OYCPlant3sm   Water Hyacinth: Legal in Oregon but noxious or noxious and illegal in many southern states. With climate change may winter over. Suggest keeping these plants on one’s deck in a water container if desired.