- The bright orange inner bark of the eastern black oak, from which a yellow dye is obtained.
- The dye obtained from this bark.
- The black or dyers' oak, <em>Quercus tinctoria</em>, a tree from 70 to 100 feet high, common through the eastern half of the United States and in southern Canada.
- The bark of this tree.
- The yellow inner bark of the <spn>Quercus tinctoria</spn>, the American black oak, yellow oak, dyer's oak, or quercitron oak, a large forest tree growing from Maine to eastern Texas.
- Quercitrin, used as a pigment. See <er>Quercitrin</er>.
- A <xref>yellow</xref> <xref>dye</xref> obtained from the <xref>bark</xref> of the black oak.
- The black oak <xref>tree</xref>, Quercus velutina, indigenous to <xref>North America</xref>.
- medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; broad five-lobed leaves are bristle-tipped
- a yellow dye made from the bark of the quercitron oak tree