Islands Free or Scientific Name Common Name Relatively Free
Cereus uruguayanus spiny tree All islands cactus, Peruvian apple Chromolaena odorata siamweed, All islands bitterbush Cirsium arvense Canada thistle All islands Clidemia hirta Koster's curse, Kauai, Lanai var. hirta curse Coccinia grandis ivy gourd Hawaii, Maui Molokai, Lanai, Kauai Convolvulus arvensis field bindweed All islands Cortaderia jubata pampas grass All islands Cymbopogon refractud barbwire grass Lanai, Oahu Cyperus esculentus yellow nutsedge Maui, Oahu, Lanai, Kauai, Molokai Cytisus monspessulanus French broom All islands Cytisus scoparius Scotch broom All islands Dichrostachys nutans marabu All islands Elenpantopus mo1lis elephantopus, Maui, Oahu, elephant's foot Lanai Elytrigia repens quackgrass All islands Emex spinosa spiny emex Lanai, Kauai Eriocereus martinii moon cactus All islands Euphorbia esula leafy spurge All islands Grevillea banksii kahiliflower, Lanai, Maui, Bank's Molokai grevillea