Taxa Count: 70

BETULACEAE

Alnus acuminata ssp. acuminata

Alnus cordata

Alnus crispa var. mollis

Alnus glutinosa

Alnus glutinosa var. incisa

Alnus incana

Alnus incana ssp. tenuifolia

Alnus japonica

Alnus maritima

Alnus oblongifolia

Alnus rhombifolia

Alnus rubra

Alnus rubra x incana

Alnus rugosa

Alnus serrulata

Alnus tenuifolia x rubra

Alnus trabeculosa

Alnus viridis ssp. crispa

Alnus viridis ssp. sinuata

Alnus viridis var. crispa

Betula

Betula alajica

Betula alleghaniensis var. alleghaniensis

Betula glandulosa

Betula lenta

Betula luminifera

Betula nana

Betula neoalaskana

Betula nigra

Betula occidentalis

Betula occidentalis var. occidentalis

Betula papyrifera

Betula papyrifera var. commutata

Betula papyrifera var. cordifolia

Betula papyrifera var. occidentalis

Betula pendula

Betula pendula X B. populifolia

Betula pendula var. dalecarlica

Betula pendula var. gracilis

Betula populifolia

Betula pumila

Betula pumila var. glandulifera

Betula pumila var. pumila

Betula tianschanica

Betula turkestanica

Betula x caerulea

Betula x caerulea var. grandis

Betula x purpusii

Betula x sandbergii

Capinus caroliniana

Carpinus

Carpinus betulus

Carpinus betulus f. fastigata

Carpinus caroliniana

Carpinus caroliniana ssp. virginiana

Carpinus caroliniana var. virginiana

Carpinus japonica

Carpinus orientalis

Carpinus polyneura

Corylus americana

Corylus americanus

Corylus avellana

Corylus colurna

Corylus cornuta

Corylus cornuta ssp. cornuta

Corylus cornuta var. californica

Corylus heterophylla var. sutchuenensis

Corylus maxima

Corylus maxima var. purpurea

Ostrya virginiana