Allium cepa

Quercus rubra (Northern Red Oak) Quercus rubra (Northern Red Oak)- Describes physical characteristics and provides photos of mature tree, leaf, acorn, twig, and bark. Quercus rubra Quercus rubra- Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. Quercus rubra (Northern Red Oak) Quercus rubra (Northern Red Oak)- Native range, habitat, associated forest cover, supporting soils, and detailed facts on life history. Quercus rubra (Northern Red Oak) Quercus rubra (Northern Red Oak)- Distinguishing characteristics, range, and habitat. Provides image of entire tree and closeup of leaves.