Taxa Count: 14

BETULACEAE

Alnus crispa ssp. crispa

Alnus crispa subsp. sinuata

Alnus incana subsp. tenuifolia

Alnus viridis subsp. fruticosa

Betula glandulosa

Betula nana subsp. exilis

Betula neoalaskana

Betula occidentalis

Betula papyrifera

Betula papyrifera var. kenaica

Betula pumila var. glandulifera