Different Quote by Carl Linnaeus

“Species that evolved from a common ancestor are bunched together under the heading ‘genus’ (plural genera).”

— Yuval Noah Harari

Botany is based on fixed genera.

— Carl Linnaeus

The names of the plants ought to be stable [certa], consequently they should be given to stable genera.

— Carl Linnaeus

“As the species of the same genus usually have, though by no means invariably, much similarity in habits and constitution, and always in structure,…

— Charles Darwin

All the species recognized by Botanists came forth from the Almighty Creator's hand, and the number of these is now and always will be…

— Carl Linnaeus

We all come from the same root, but the leaves are all different.

— John Fire Lame Deer

One would think that plants belonging to the same genus would always produce identical or at least similar oils. But this is by no…

— Otto Wallach

Why, if species have descended from other species by insensibly fine gradations, do we not everywhere see innumerable transitional forms.

— Charles Darwin

Splitting and gradual divergence of genera is exemplified very well and in a large variety of organisms.

— George Gaylord Simpson

There are as many species as the infinite being created diverse forms in the beginning, which, following the laws of generation, produced many others,…

— Carl Linnaeus

In general, the more one augments the number of divisions of the productions of nature, the more one approaches the truth, since in nature…

— Georges-Louis Leclerc, Comte de Buffon

Transitional forms are generally lacking at the species level, but they are abundant between larger groups.

— Stephen Jay Gould