| Taxon | Eschscholzia californica |
| group | Eudicots |
| Family | Papaveraceae |
| Family common name(s) | poppy; poppywort; poppyworts, amapola |
| Genus common name(s) | eschscholzia; eschscholzia-poppy; eschscholzia poppy; Eschscholtz's poppy; Eschscholtz poppy; California-poppy; California poppy; Californiapoppy; Californian-poppy; Californian poppy; gold-poppy; gold poppy; goldpoppy; cups-of-flame; cups of flame |
| Species common name(s) | California eschscholzia; California eschscholzia-poppy; California eschscholzia poppy; Californian eschscholzia; California Eschscholtz poppy; common California-poppy; common California poppy; common Californiapoppy; orange California-poppy; orange California poppy; orange-flowered California poppy; orange flowered California poppy; common Californian-poppy; common Californian poppy; California golden-poppy; California golden poppy; California goldenpoppy; Californian golden-poppy; Californian golden poppy; California gold-poppy; California gold poppy; California goldpoppy; Californian gold-poppy; California sunlight; California cup of gold; California's cup of gold; California's copa de oro; California copa de oro; Chamisso's eschscholzia; Chamisso golden poppy; Chamisso-golden poppy |
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| Common name(s) specific to synonym; taxon noted in brackets | California state poppy [subsp. californica]; California State poppy [subsp. californica]; Mexican California-poppy [subsp. mexicana]; Mexican California poppy [subsp. mexicana]; Mexican golden-poppy; Mexican golden poppy [subsp. mexicana]; Mexican goldenpoppy [subsp. mexicana]; Mexican gold-poppy [subsp. mexicana]; Mexican gold poppy [subsp. mexicana]; Mexican goldpoppy [subsp. mexicana]; desert California poppy [subsp. mexicana]; Kernville poppy [Eschscholzia procera]; Kernville golden-poppy [Eschscholzia procera]; Kernville goldenpoppy [Eschscholzia procera] |
| Common name(s) generally applied to other taxa or multiple taxa | annual California-poppy, annual California poppy, annual gold-poppy, yellow California poppy are applied to multiple Eschscholzia taxa; tufted poppy is more commonly applied to Eschscholzia caespitosa; golden-poppy, golden poppy goldenpoppy, yellow poppy, desert-poppy, desert poppy, true California poppy, orange poppy are applied to multiple Papaveraceae taxa; cups-of-gold, cups of gold, copa de oro, copa-de-oro, torosa, dormidera are applied to taxa in multiple families |
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| Notes | California, Californian, Chamisso are proper names, so upper case preferable; Californiasis an error |
| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | subsp. californica; subsp. mexicana (Greene) C. Clark; Eschscholzia procera Greene |
