| Taxon | Eryngium constancei |
| group | Eudicots |
| Family | Apiaceae |
| Family common name(s) | umbel; umbelwort; umbelworts; carrot; parsley; biscuitroot |
| Genus common name(s) | eryngium; eryngium thistle; eryngo; coyote thistle; coyote-thistle; coyotethistle; button-celery; button celery; buttoncelery |
| Species common name(s) | Constance's button-celery; Constance's button celery; Constance's coyote-thistle; Constance's coyote thistle; Constance button-celery; Constance button celery; Constance coyote-thistle; Constance coyote thistle; Loch Lomond eryngo; Loch Lomond button-celery; Loch Lomond button celery; Loch Lomond buttoncelery; Loch Lomond coyote-thistle; Loch Lomond coyote thistle; Loch Lomond coyotethistle |
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| Common name(s) generally applied to other taxa or multiple taxa | button snakeroot, button-snakeroot, sea holly, spiny bastard are applied to taxa in multiple families |
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| Notes | Constance is a proper name, so upper case preferable; Constances is an error |
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