Abies amabilis (Dougl.) Forbes (Pacific silver fir), needles (3.81522)

Date: September 1972
Creator: Coulter, Ronald M.
Type: Photographic image
Description:

Abies amabilis (Dougl.) Forbes (Pacific silver fir), leaf shoot, leaf underside, attachment to stem.

Extent: 1 slide

Ailanthus altissima (Mill.) Swingle (tree of heaven), habit (3.82861)

Creator: Watts, May Theilgaard
Type: Photographic image
Description:Ailanthus altissima (Mill.) Swingle (tree of heaven), habit, urban neighborhood, buildings, sidewalk, people.
Extent: 1 slide

Ailanthus altissima (Mill.) Swingle (tree of heaven), habit (3.82866)

Creator: Watts, May Theilgaard
Type: Photographic image
Description:Ailanthus altissima (Mill.) Swingle (tree of heaven), habit; street, cars, buildings in picture.
Extent: 1 slide

Aquilegia coerulea (Colorado columbine), botanical illustration (3.99335)

Type: Photographic image
Description:Aquilegia coerulea (Colorado columbine), botanical illustration
Extent: 1 slide