May 3, 2003 NAPERVILLE/2003_05_03   Oct 11, 2004 Naperville Riverwalk   RIVERWALK/2004_10_30 Oct 30, 2004
(Box Elder)
Box Elder

Acer negundo
inaturalist
New
 (Sugar Maple)
Sugar Maple

Acer saccharum
inaturalist
New
 (Tree of Heaven)
Tree of Heaven

Ailanthus altissima
inaturalist
New
 (Juneberry)
Juneberry

Amelanchier alnifolia
inaturalist
New
(Oakleaf Hydrangea)
Oakleaf Hydrangea

Hydrangea quercifolia
inaturalist
New
 (Japanese Kerria)
Japanese Kerria

Kerria japonica
inaturalist
New
 (Crab Apple)
Crab Apple

Malus
inaturalist
New
 (Poison Ivy) on Virginia Creeper
Poison Ivy
on Virginia Creeper
Toxicodendron radicans
inaturalist
2New
(White Poplar)
White Poplar

Populus alba
inaturalist
New
 (Japanese Tree Lilac)
Japanese Tree Lilac

Syringa reticulata
inaturalist
New

Peter 2.0 root Root inaturalist 10 photos this page; 11 new species.
 CC BY 4.0 photographer: Peter Chen 2.0