California Spikenard, Elk Clover, Western Aralia: Aralia californica
Common Ivy, English Ivy, English-ivy: Hedera helix (Synonym: Hedera helix ssp. helix) -
Atlantic Ivy: Hedera hibernica (Synonym: Hedera helix ssp. hibernica)
Floating Marsh-pennywort, Floating Marsh Pennywort: Hydrocotyle ranunculoides (Synonym: Hydrocotyle cymbalarifolia)
Devilsclub, Devil's Club: Oplopanax horridus (Synonyms: Echinopanax horridum, Echinopanax horridus, Fatsia horrida, Fatsia horridum, Oplopanax horridum, Panax horridum, Ricinophyllum horridum) -