The yellow capsules are infected by Taphrina johansonii, an ascomycete. The healthy capsules are green. · 4/21/2010 · Nashua River Rail Trail, Groton Center, Groton, Massachusetts · ≈ 7 × 4½″ (17 × 11 cm)
7/18/2017 · Tobyhanna State Park, Pennsylvania · ≈ 6 × 4″ (16 × 11 cm)
8/31/2014 · New Mexico
7/18/2017 · Tobyhanna State Park, Pennsylvania · ≈ 6 × 4″ (14 × 10 cm)
10/23/2010 · Warwick Mills, New Ipswich, New Hampshire
8/31/2014 · New Mexico
8/31/2014 · New Mexico
Populus aurea Tidestr.
Populus cercidiphylla Britton
Populus ×polygonifolia Bernard
Populus tremuloides Michx.var. aurea (Tidestr.)Daniels
Populus tremuloides Michx.var. cercidiphylla (Britton)Sudw.
Populus tremuloides Michx.var. intermedia Vict.
Populus tremuloides Michx.var. magnifica Vict.
Populus tremuloides Michx.var. rhomboidea Vict.
Populus tremula L.ssp. tremuloides (Michx.)Á.Löve&D.Löve
Populus tremuloides Michx.var. vancouveriana (Trel.)Sarg.
Populus vancouveriana Trel.
Populus tremuloides description by Thomas H. Kent, last updated 26 Jul 2023.