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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 (

TaxonAgrostis idahoensis
Family common name(s)grass; true grass
Genus common name(s)agrostis
Species common name(s)Idaho bent-grass; Idaho bent grass; Idaho bentgrass; Idaho bent; Idaho red-top; Idaho red top; Idaho redtop
Common name(s) generally applied to other taxa or multiple taxabentgrass, bent-grass, bent grass, bent, redtop, red-top, red top, redtop grass, red-top grass, red top grass, ticklegrass, tickle-grass, tickle grass, fool-hay, fool hay are applied to multiple Poaceae taxa; colonial bentgrass is more commonly applied to Agrostis capillaris; clavate bentgrass is more commonly applied to Agrostis clavata; hairgrass, hair-grass, hair grass applied to taxa in multiple families
Synonymy: The Jepson Manual (1993), FNA, PLANTS, etcAgrostis tenuis Vasey, illeg.
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