Flora of Pennsylvania

Betula nigra gallery

River Birch Gallery

Leaves
Leaves
Conejohela Flats (Lancaster Co)
by Paul Nale on 04/23/2026
Leaves and catkins
Leaves and catkins
Conejohela Flats (Lancaster Co)
by Paul Nale on 04/23/2026
Peeling bark
Peeling bark

Probably a cultivar with the "enhanced bark" called 'Heritage'.

Frances Slocum State Park (Luzerne Co)
by Paul Nale on 07/19/2025
Leaves
Leaves

Unlike other birches, lower branches of river birch hang on trough late autumn

Columbia (Lancaster Co)
by Paul Nale on 11/26/2025
Winter catkins
Winter catkins
Easton (Northampton Co)
by Paul Nale on 12/10/2025
Mature bark
Mature bark
Easton (Northampton Co)
by Paul Nale on 12/10/2025
Tree form
Tree form
Carbon Co
by Paul Nale on 12/24/2026
Trees in winter
Trees in winter
Carbon Co
by Paul Nale on 12/24/2026
Bark
Bark
Lake Muhlenberg (Lehigh Co)
by Paul Nale on 12/31/2026