Umbilicaria mammulata (Ach.) Tuck. Gyrophora dillenii (Tuck.) Müll. Arg. Smooth rock tripe, navel lichen
Smooth rock tripe forms large sheets (rarely, up to 24" (60 cm) across), like aged curling leather sheets, on cliffs and boulders. Identification: The sheets are attached at only a single point (hence the genus Umbilicaria). They are reddish- or grayish-brown on top, and velvety black below. The top surface appears greenish when wet. The large size and coloration are unlike other lichens. Edibility: An hour of boiling is said to convert this leather-like lichen into an edible source of protein, palatable by itself or when added to soup or stews. Soak for 2-3 hours first to remove acids that, while not dangerous, may send you running to the bathroom in a hurry. Even after all this soaking and boiling, you’d better be good and hungry—many say it still tastes like shoe leather. Online References:
Umbilicaria mammulata on the Mushroom Observer Umbilicaria mammulata on Stephen Sharnoff Photography Umbilicaria mammulata on Discover Life Umbilicaria mammulata on gigapan.com References:
Walewski, Joe, Lichens of the North Woods, Kollath+Stensaas Publishing, 2007, p. 77 9/26/2010 · Doane’s Falls, Royalston, Massachusetts 11/8/2009 · Yellow Trail from Pearl Hill State Park to Willard Brook State Park, Ashby, Massachusetts 7/3/2012 · Yellow Trail from Pearl Hill State Park to Willard Brook State Park, Ashby, Massachusetts 5/25/2016 · Andres Art Institute, Big Bear Mountain, Brookline, New Hampshire 11/8/2009 · Yellow Trail from Pearl Hill State Park to Willard Brook State Park, Ashby, Massachusetts 7/3/2012 · Yellow Trail from Pearl Hill State Park to Willard Brook State Park, Ashby, Massachusetts 11/8/2009 · Yellow Trail from Pearl Hill State Park to Willard Brook State Park, Ashby, Massachusetts Umbilicaria mammulata description by Thomas H. Kent, last updated 6 Dec 2020. © FloraFinder.org. All rights reserved. |
9/20/2018 · Porcupine Trail, Beaver Brook Conservation Area, Hollis, New Hampshire 4/21/2013 · Crow Hill Trail, Leominster State Forest, Leominster, Massachusetts 9/26/2010 · Doane’s Falls, Royalston, Massachusetts 9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, Massachusetts 2/19/2012 · Wildlife Pond Trail, Beaver Brook Association, Hollis, New Hampshire 4/21/2013 · Crow Hill Trail, Leominster State Forest, Leominster, Massachusetts 2/19/2012 · Wildlife Pond Trail, Beaver Brook Association, Hollis, New Hampshire 5/25/2016 · Andres Art Institute, Big Bear Mountain, Brookline, New Hampshire 11/8/2009 · Yellow Trail from Pearl Hill State Park to Willard Brook State Park, Ashby, Massachusetts
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