| Taxon | Cordylanthus rigidus subsp. setiger |
| group | Eudicots |
| Family | Orobanchaceae |
| Family common name(s) | orobanch; broomrape; broom-rape; broom rape; broom-rapes; ground-cone; ground cone; groundcone |
| Genus common name(s) | cordylanthus; bird's-beak; bird's beak; birds-beak; birds beak; birdsbeak; bird-beak; bird beak; birdbeak |
| Species common name(s) | rigid cordylanthus; rigid bird's-beak; rigid bird's beak; rigid birds-beak; rigid birds beak; rigid birdsbeak; stiffly-branched bird's-beak; stiffly branched bird's-beak; stiffly-branched bird's beak; stiffly branched bird's beak; stiff-branched bird's-beak; stiff-branched bird's beak; stiff-branch bird's-beak; stiff-branch bird's beak; stiffbranch bird's-beak; stiffbranch bird's beak; stiff bird's-beak; stiff bird's beak; stiff birds-beak; thread-leaved bird's-beak; thread-leaved bird's beak; thread-leaved birds-beak; thread-leaved birdsbeak; thread-leafed bird's beak |
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| Common name(s) generally applied to other taxa or multiple taxa | dark-tip bird's-beak, dark-tip bird's beak, dark-tipped bird's beak, dark-tipped bird's-beak are applied to multiple Cordylanthus rigidus subspp.; mule weed is applied to taxa in multiple families |
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| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | Scrophulariaceae s.l.; Cordylanthus filifolius Benth., illeg. |
