Xanthoria ulophyllodes Räsänen

Powdery sunburst lichen

About plant names...

Identification: This foliose (leaflike) lichen is yellow-orange to medium orange in color, white on the bottom. The upper surface often has powdery looking areas. It occurs primarily on oaks and elms, but sometimes appears on rock. It appears in roughly circular patches, growing outward from the center.

Online References:

Alan Silverside's Lichen Pages on LastDragon.org

Www.waysofenlichenment.net

Wikispecies

Www.inaturalist.org

References:

Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen, Lichens of North America, Yale University Press, 2001, p. 748

Walewski, Joe, Lichens of the North Woods, Kollath+Stensaas Publishing, 2007, p. 131

Xanthoria ulophyllodes description by Thomas H. Kent, last updated 25 May 2020.

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4/3/2010 · Birch Point Beach State Park, Owl’s Head, Maine
≈ 8 × 5" (19 × 13 cm) ID is uncertain

4/3/2010 · Birch Point Beach State Park, Owl’s Head, Maine
≈ 8 × 5" (19 × 13 cm) ID is uncertain

7/29/2023 · Birch Point Beach State Park, Owl’s Head, Maine ID is uncertain

4/27/2023 · Mitchell Field, Harpswell, Maine