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Tar Spot of Maple on Bigleaf Maple in Olympic National Park
Fungal disease known as Tar Spot of Maple (Rhytisma pnctatum) on a fallen autumn leaf of Bigleaf Maple (Acer macrophyllum) in the Staircase Rapids area of Olympic National Park, Washington, USA, October, Olympic_Peninsula_Autumn-45
Author: Lee H. Rentz
© Lee Rentz
Photo size: 0.7 Mpixels (1.91 MB uncompressed) - 667x1000 pixels (2.2x3.3 in / 5.6x8.5 cm at 300 ppi)