| Taxon | Phacelia douglasii |
| 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) | phacelia |
| Species common name(s) | Douglas's phacelia; Douglas's scorpion-weed; Douglas's scorpionweed; Douglas' phacelia; Douglas' scorpion-weed; Douglas' scorpionweed; Douglas phacelia; Douglas scorpion-weed; Douglas scorpionweed |
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| Common name(s) specific to synonym; taxon noted in brackets | rock-loving phacelia [var. petrophila]; rockloving phacelia [var. petrophila] |
| Common name(s) generally applied to other taxa or multiple taxa | caterpillar-weed, caterpillar weed, caterpillarweed, scorpion-weed, scorpionweed, scorpion weed are applied to multiple Boraginaceae taxa |
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| Notes | Douglas is a proper name, so upper case preferable; Dougla's is an error |
| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | Hydrophyllaceae; var. petrophila Jeps. |
