Photographic image
Ulmus rubra (Slippery Elm), leaf, lower surfaceOctober 6 2012
Hedborn Jr., Edward A.
Photographic image
Ulmus rubra (Slippery Elm), leaf, lower surfaceOctober 17 2009
Hedborn Jr., Edward A.
Photographic image
Ulmus rubra (Slippery Elm), leaf, upper surfaceOctober 6 2012
Hedborn Jr., Edward A.
Photographic image
Ulmus rubra (Slippery Elm), leaf, upper surfaceOctober 6 2012
Hedborn Jr., Edward A.
Photographic image
Ulmus rubra (Slippery Elm), leaf, upper surfaceOctober 6 2012
Hedborn Jr., Edward A.
Photographic image
Ulmus rubra (Slippery Elm), leaf, upper surfaceOctober 17 2009
Hedborn Jr., Edward A.