Actaea racemosa, black cohosh / Sanicula spp.

sheet iron before it is tinned.

plural of black raspberry

plural of black speargrass

A species (Heteropogon contortus) of tangleheads, a tropical, perennial grass.

(simile) Very black (especially of a mood, a frown, etc.).

Any of numerous species of dark-coloured mosses (Bryophyta), possibly species of the genera Grimmia, Andreaea, Syntrichia, Cinclidotus.

Juglans nigra, a tree native to eastern North America. / The nuts of the aforementioned tree. / The wood of the aforementioned species.

Prunus serotina

Salix nigra, native to much of the eastern United States, excluding Florida, and to parts of California and Arizona.