National Arboretum (U.S.)

Camellias at the National Arboretum

1979

Fern Valley trail

1977

Fern Valley trail, the National Arboretum

1968

Growing the flowering dogwood

1976

Index to the vascular plant type collection of the United States National Arboretum

1985

Fern Valley trail; the National Arboretum

Camellias at the National Arboretum

Fern Valley trail

Fern Valley trail

The Gotelli dwarf and slow-growing conifer collection

Malus 'Adirondack'

Magnolia 'Ann', 'Betty', 'Jane', 'Judy', 'Pinkie', 'Randy', 'Ricki' and 'Susan'

Hydrangea macrophylla 'Nigra'

Acer rubrum 'Brandywine'

Lagerstroemia 'Chickasaw'

U.S. National Arboretum plant introduction

Ulmus 'Patriot'

Viburnum x carlcephalum 'Cayuga'

Camellia 'Polar Ice', 'Snow Flurry', 'Winter's Hope', 'Winter's Rose', 'Winter's Star' and 'Winter's Charm'

Juniperus conferta 'Blue Lagoon'

Malus 'Adirondack'

Acer rubrum 'Brandywine'

U.S. National Arboretum plant introduction

Ulmus 'Patriot'