
Tulip Poplar Flower Liriodendron tulipifera Illinois

Ashleaf Maple Flowers Acer negundo Michigan

Speckled Alder Flowers Alnus regosa Michigan

Willow Flower with Ice Salix sp. Michigan

Pin Cherry Flowers Prunus pensylvanica Michigan

Red Pine Male Flowers I Pinus resinosa Michigan

Red Pine Male Flowers II Pinus resinosa Michigan

Red Pine Male Flowers III Pinus resinosa Michigan

Red Pine Female Cones Pinus resinosa Michigan

White Pine Male Flowers I Pinus strobus Michigan

White Pine Male Flowers II Pinus strobus Michigan

Red Maple Flowers I Acer rubrum Michigan

Red Maple Flowers II Acer rubrum Michigan

Horse-chestnut Flowers Aesculus hippocastanum Michigan

Willow Flower Cluster - Pinus sp. Michigan

Willow Flower I Salix sp. Michigan

Willow Flower II Salix sp. Michigan

Red Maple Flowers III Acer rubrum Michigan

Red Maple Flowers IV Acer rubrum Michigan

Eastern Cottonwood Flowers I Populus deltoides Michigan

Eastern Cottonwood Flowers II Populus deltoides Michigan

Eastern Cottonwood Flowers Close-up Populus deltoides Michigan

Pine Pollen on Lake Superior - Pictured Rocks National Lakeshore Salix sp. Michigan

Tulip Poplar Flowers Liriodendron tulipifera Illinois

Horse-chestnut Flowers Aesculus hippocastanum Michigan

American Hazelnut Flowers Corylus americana Michigan

Pawpaw Flower Asimina triloba Michigan

Pawpaw Flowers Asimina triloba Michigan

Trembling Aspen Flowers Populus tremuloides Michigan

Eastern Cottonwood Flowers Populus deltoides Michigan

Willow Flowers Salix sp. Michigan

Northern Catalpa Flowers Catalpa speciosa Michigan

Northern Catalpa Flowers Catalpa speciosa Michigan

Northern Catalpa Flowers Catalpa speciosa Michigan

Northern Catalpa Flowers Catalpa speciosa Michigan

Northern Catalpa Flowers Catalpa speciosa Michigan

Northern Catalpa Flowers Catalpa speciosa Detail, Michigan

Ohio Buckeye Flowers Aesculus glabra Marquette Co., Michigan

Ohio Buckeye Flowers Aesculus glabra Detail, Marquette Co., Michigan