| Taxon | Hymenopappus filifolius var. megacephalus |
| group | Eudicots |
| Family | Asteraceae |
| Family common name(s) | composite; composita; comp; aster; asterwort; asterworts; sunflower; daisy; dandelion |
| Genus common name(s) | hymenopappus |
| Species common name(s) | fine-leaved hymenopappus; fine-leafed hymenopappus; fine-leaf hymenopappus; fine leaf hymenopappus; fineleaf hymenopappus; fine-leaved woollywhite; fine-leaf woollywhite; fine-leaf wooly-white; fineleaf woollywhite; tufted hymenopappus; low tufted hymenopappus; thread-leaf plainsman; threadleaf plainsman; Columbia cutleaf; Columbia cut-leaf; Columbia cut leaf; hyalineherb; hyaline-herb; hyaline herb; common hyalineherb; white ragweed |
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| Common name(s) generally applied to other taxa or multiple taxa | bitterweed, bitter-weed, bitter weed are applied to taxa in multiple families |
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