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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 (

TaxonLolium rigidum
Family common name(s)grass; true grass
Genus common name(s)lolium; darnel; darnell; darnel grass; darnel-grass; darnelgrass
Species common name(s)rigid ryegrass; rigid rye-grass; rigid rye grass; rigid Italian ryegrass; rigid Italian rye-grass; rigid Italian rye grass; stiff ryegrass; stiff rye-grass; stiff rye grass; stiff darnel; Wimmera ryegrass; Wimmera rye-grass; Wimmera rye grass; wimmera ryegrass; Swiss ryegrass; Swiss rye-grass; Swiss rye grass; narrow-spiked ryegrass; narrow-spiked rye-grass; narrow-spiked rye grass
Common name(s) generally applied to other taxa or multiple taxaannual ryegrass, annual rye-grass, annual rye grass, annual rye, annual darnel, Mediterranean ryegrass, Mediterranean rye grass are applied to multiple Lolium taxa; ryegrass, rye-grass, rye grass, ray-grass, ray grass, raygrass are applied to multiple Poaceae taxa
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