Items derived from endangered species are also restricted, including most ivory, tortoise-shell and whalebone products.

The color is named after the blue dye derived from the plant Indigofera tinctoria and related species.

Good drainage is vital because many are derived from species found in woodland, on slopes, or steep river banks.

As in all aquaculture based systems, stock feed usually consists of fish meal derived from lower-value species.

Besides being derived from different species, a major difference between American and French oak comes from the preparation of the wood.

Allopolyploids are polyploids with chromosomes derived from different species.

Street names are mostly derived from species of trees (though not necessarily descriptive of the trees found along them).

"I hope none of these materials are derived from threatened or endangered species."

Many segregate genera have been recognized in recent studies, often with circumscriptions derived from selected representative species.

New Zealand's few wholly freshwater fishes are derived from diadromous species.