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Drawing
Evergreen Nature Trail Guide, page 15 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
Drawing
Trees Native To North America But Not To This Region That Can Be Grown HereWatts, May Theilgaard
Photographic image
Abies balsamea (L.) Mill. (balsam fir), branch with seed conesMay 1966
Kohout, John
Photographic image
Abies balsamea (L.) Mill. (balsam fir), bark, scales, seedsApril 1978
Kohout, Kitty
Photographic image
Abies balsamea (L.) Mill. (balsam fir), cone
Photographic image
Abies balsamea (L.) Mill. (balsam fir), buds
Photographic image
Abies balsamea (L.) Mill. (balsam fir), cone