| Taxon | Plagiobothrys collinus var. californicus |
| group | Eudicots |
| Family | Boraginaceae |
| Family common name(s) | borage; boragewort; borageworts; forget-me-not; fiddleneck; waterleaf; water-leaf; water leaf; baby-eyes |
| Genus common name(s) | plagiobothrys |
| Species common name(s) | Cooper's allocarya; Cooper's popcorn-flower; Cooper's popcornflower; Cooper's popcornflower; Cooper allocarya; Cooper popcorn-flower; Cooper popcorn flower; Cooper popcornflower |
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| Common name(s) generally applied to other taxa or multiple taxa | common names based on Allocarya cooperi are most appropriately applied to Plagiobothrys collinus var. californicus; California popcornflower, California popcorn-flower, California popcorn flower, California allocarya are applied to multiple Plagiobothrys taxa; popcorn-flower, popcorn flower, popcornflower are applied to multiple Boraginaceae taxa |
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| Notes | Cooper is a proper name, so upper case preferable; Coopers is an error |
| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | Allocarya cooperi (A. Gray) Greene |
