A plant in the taxonomic genus Equisetum (horsetails); Equisetum arvense.

(taxonomy) The name by which an organism or group of organisms is known to the general public, rather than its taxonomic or scientific name.

A tree native to much of Europe and neighboring Africa and Asia (Alnus glutinosa).

A small passerine bird (Phoenicurus phoenicurus).

The nightingale, Luscinia megarhynchos.

That which is known by most people, and thus cannot reasonably be contested.

The herb Eupatorium perfoliatum, also known as thoroughwort. Often used by herbalists as a stimulant, febrifuge, and laxative.

A small falcon, Falco tinnunculus.

Alternative form of commonsensical

A small bird, the Eurasian bullfinch (Pyrrhula pyrrhula).