The Common Green Shield Lichen (Parmeliaceae family) Despite the word “common” being part of its name, this is a lesser known, perhaps even downright obscure lichen, likely one few botanists or herbalists would recognize in the !eld. https://en.wikipedia.org/w/index.php?title=Flavoparmelia_caperata&oldid=982276162, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License. Many species of lichen are very sensitive to pollution produced by humans (from car exhaust, factories, agricultural fertilizer, etc. It is a pale yellow green color on top, and black below (pale brown on the edges). ), and can only be found in wilder areas where the air is pure, but some—common greenshield lichen included—can be found gracing trees in towns and city centers (as well as forests) across the country. Jean Seavey, NPS volunteer. The white patches visible on the cypress trees are not part of the bark, but a common species of crustose lichen. F. caperata is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. (1796) Lichens are interesting organisms. (1805) glabratula. A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada. Common Greenshield - Flavoparmelia caperata Another of my finds from Falls Creek SNA. (Depending upon its habitat, Flavoparmelia can vary from pale yellow-green, to blue-gray-green, to Adapted by CALS from a work by (c) Wikipedia, some rights reserved (CC BY-SA). (c) naturalist39, some rights reserved (CC BY-NC-ND), uploaded by William J. Davis. Recent Literature on Lichens and Mattick's Literature Search. Usnea subfloridana. Checklist to Norwegian lichens: Accepted names. http://en.wikipedia.org/wiki/Flavoparmelia_caperata. It is foliose (leaflike), with rounded, overlapping lobes. The lichen flora of Great Britain and Ireland. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. Psoraceae. The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. The lower surface is black except for a brown margin; rhizoids attached to the lower surface are black and unbranched. This lichen was very noticeable when I first walked into the woods; the earlier rain intensified the color of this and many other lichens and mosses growing on the trees. Parmotrema caperata (L.) M.Choisy (1952) The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. Extract from Wikipedia article: Flavoparmelia caperata, the common greenshield lichen, is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. Punctelia subrudecta. If you are one of the They play an important role in our natural ecosystems and can let us know when those ecosystems are in trouble. (1794) Published by the author: Don Flenniken, 2273 Blachleyville Rd., Wooster, Ohio 44691. EOL has data for 7 attributes , including: geographic distribution includes Melanelixia fuliginosa subsp. 1992. Flavoparmelia caperata or common greenshield lichen (from Lichens of North America) is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. Imbricaria caperata (L.) DC. Lichens are beautiful, especially when you view a lichen-drenched Douglas-fir or a colorful crust-covered cliff, and up close when viewed under a hand-lens or microscope. If you know what kind of tree, rock, or other substrate on which the lichen is growing, note that in the habitat section. Flavoparmelia caperata, the common greenshield lichen, is that grows on the bark of trees, and occasionally on rock. Melanelixia subaurifera. (c) Shelly Benson, some rights reserved (CC BY-NC-ND), uploaded by CALS. Purvis, O. W., B. J. Coppins, D. L. Hawksworth, P. W. James & D. M. Moore. The British Lichen Society, Cromwell Road, London SW7 5BD. Checklist of the Lichens of Australia and its Island Territories (see. Pseudoparmelia caperata (L.) Hale (1974). If you know what form the lichen appears to be taking, please note that in the description (fruticose, foliose, crustose, leprose, gelatinous, filamentous, byssoid, and/or structureless). Flavoparmelia caperata, the common greenshield lichen, is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. British Lichens - List of Lichens & Lichenicolous Fungi. Identification: This widespread lichen grows in circular patches on \[tree bark], and sometimes on rock. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. Platisma caperatum (L.) Hoffm. editors of this guide it should copy everything, but if you're not, it Common Greenshield Lichen Melanelixia fuliginosa subsp. ; Substrate and ecology: on broad leafed trees, shrubs and fence posts in open habitats, coastal to montane up to 2000m, rarely on rocks; World distribution: North and South America, Europe, Asia, Africa; Sonoran distribution: common on oaks, particularly in coastal California and Baja California, occasionally in central Arizona southwards into the Sierra Madre Occidental of Sonora and Chihuahua. You can copy this taxon into another guide. (1803) Lichens of North America. The Lichen Herbarium, University of Oslo, Norway. Brodo, I. M., S. D. Sharnoff, and S. Sharnoff. Yale University Press, New Haven, 795 pages. The lower surface is black except for a brown margin; rhizomes... Thallus: adnate to loosely adnate, foliose, 5-20 cm in diam., sometimes forming extensive patches, irregularly lobate; lobes: subirregular, elongate, plane to subconvex, separate, 5-13 mm wide, contiguous to somewhat imbricate; apices rotund, crenate, eciliate; upper surface: yellow green to pale yellow, occasionally green-gray (in shade), smooth but becoming rugose and folded with age, dull to somewhat shiny; epruinose and emaculate; soredia: laminal, granular to wart-like, initially in circular soralia but becoming diffuse and confluent; isidia: absent; medulla: white with continuous algal layer; lower surface: black centrally, brown and naked peripherally; rhizines: dense to sparse centrally to edge of brown zone, black, simple, sometime brown or white tipped; Apothecia: rare, up to 8 mm wide, laminal, sessile; disc: brown; margin: smooth but sorediate sometimes; asci: clavate, 8-spored; ascospores: simple, ellipsoid, hyaline, 15-24 x 8-13 µm; Pycnidia: laminal, immersed; conidia: weakly bifusiform, 6 x 1 µm; Spot tests: upper cortex K-, C-, KC+ yellow, P-; medulla K-, C-, KC-, P+ red; Secondary metabolites: upper cortex with usnic acid (major) and atranorin (trace); medulla with protocetraric acid (major) and caperatic acid (minor). fuliginosa. Parmelia saxatilis. The very similar Flavoparmelia baltimorensis grows mainly on rock and has globose, pustular outgrowths (somewhat similar to isidia) on the upper surface of the lobes, but does not produce granular soredia. Parmelia sulcata Hammered Shield Lichen Parmotrema perlatum. Where I live in southern Ohio, I yet have to seen this lichen on any of the trees in my area and mind you I hunt so the woods are common folk and friends to me from the age of 3 until the new to be age of 63…So I am going to search the government lands and talk to the forest rangers to help me find this cool and interesting lichen…Wish me Lobaria caperata (L.) Hoffm. Lichen caperatus L. (1753) 2001. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. Common Greenshield is found almost exclusively on bark and weathered wood, including old fences and picnic tables. North Dakota State University. Common name: common greenshield lichen. Flenniken, D. G. 1999. This page was last edited on 7 October 2020, at 05:00. Xanthoparmelia conspersa. Summary 3 Flavoparmelia caperata or common greenshield lichen (from Lichens of North America) is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry.The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually … They are diverse, adaptable, functional, and little understood. will only copy the licensed content. The Macrolichens In West Virginia. Ð»Ð¸Ð½Ð°Ñ, Photos of this mushroom from East and Central Texas, Mushrooms from Texas, old version of web page, Data for this species were obtained from the dataset. (c) Lichen Unlimited: Arizona State University, Tempe., some rights reserved (CC BY-NC-SA). Common Greenshield is very sensitive to sulphur dioxide emissions from coal-fired power plants, and during most of the 20th century this striking lichen was extirpated from the industrial areas of northeast Ohio. Flavoparmelia caperata (Common Greenshield Lichen) is a species of Fungi in the family Parmeliaceae. Parmelia caperata (L.) Ach.
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