Prickly Ash (Zanthoxylum americanum) is no ash, but it is rather prickly and one of those native plants (see also Aralia spinosa) that look like goblins could use them as a Philodendron Birkin 'White Measure' Currlin Orchideen Tall Oregon Grape (Berberis aquifolium) Friends of Silver Falls Forever Chemicals' Reach Tap Water via Treated Sewage, Study Finds The New York Times Monoon longifolium Wikipedia