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Common (vernacular) names applied to California vascular plants

compiled by Elizabeth Painter

up to date as of May 1, 2016

Common names (also referred to as vernacular names) are applied differently at different times and places by different users. This list is compiled from many sources and is intended to be as comprehensive as possible. It is not intended to indicate which common name is correct or preferred. Please send comments about this page to Elizabeth Painter (

TaxonOxalis trilliifolia
Family common name(s)oxalis; wood-sorrel; wood sorrel; woodsorrel; wood-sorrels
Genus common name(s)oxalis; wood-sorrel; wood sorrel; woodsorrel; wood-sorrels
Species common name(s)trillium-leaved oxalis; trillium-leaved wood-sorrel; trillium-leaved wood sorrel; trillium leaved wood sorrel; trillium-leaved woodsorrel; trillium-leaved sorrel; trillium-leafed wood-sorrel; trillium-leafed wood sorrel; trillium-leaf oxalis; trillium-leaf wood-sorrel; trillium-leaf wood sorrel; three-leaf wood-sorrel; three-leaf woodsorrel; three leaf woodsorrel; threeleaf woodsorrel; Columbia oxalis
Common name(s) generally applied to other taxa or multiple taxathree-leaved wood-sorrel, three-leaved wood sorrel, three leaved wood sorrel, three-leafed wood-sorrel, three-leafed wood sorrel, great oxalis, great wood-sorrel, great wood sorrel are applied to multiple Oxalis taxa; sorrel, shamrock, John-go-to-bed-at-noon, John go to bed, sourgrass, sour-grass, sour grass at noon are applied to taxa in multiple families
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