The following names have been used for material of uncertain origin in the European garden flora.

The word heron appears to be very old and of uncertain origin.

The name is of uncertain origin, but it was also borne by the river god.

This title is thought to be unique in England though again with uncertain origins.

It might be called asphalt, for instance (a word of uncertain origin).

The cultivar, which has been in grown for many years, is of uncertain origin.

There is also a small trench here of uncertain origin.

Blade was a black giant of uncertain origins, a dangerous man with little to say.

The name "Joppa" appears in the late 18th century and is of uncertain origin.

My proposal ten years ago was for all products of uncertain origin to be dyed.