Lichen Slide Gallery

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Lichen Slide Gallery Photos by Sarah Thorne [email protected] These photos may be used for educational purposes with credit to the photographer. Lichen neighbors in New Hampshire The following slide gallery shows common NH lichen, and a few tree growing mosses and liverworts for comparison. (photos taken in Holderness and Alton, NH) You can provide these color photos to students for use in their field inventory work. Fruticose Lichens Shrub-like Branching Hair or beard-like No distinguishable upper and lower surfaces Ramalina sp. Evernia sp. (fruticose lichen) Usnea sp. (fruticose lichen) Foliose Lichens “leafy” with distinct top and bottom sides can be relatively flat, or raised Thallus mostly free from substrate Punctelia rudecta (foliose lichen) Plasmatia tuckermanii (foliose lichen) Flavoparmelia sp. (foliose lichen) Phaeophysica rubropulchra Parmelia sulcata (foliose lichen) Hypogymnia sp. Hypogymnia sp. (foliose lichen) Crustose Lichens Flat Grow tightly against substrate No lower side or rhizines Crustose Lichens (many species) Cryptogams Don’t reproduce by seed Lichen often grow with other cryptogams such as mosses and liverworts. Lichen Imposters Lichen But, unlike lichen, mosses and liverworts are primitive plants Students can inventory these as well, if desired moss liverwort Moss Erect shoots Reproduce with spores Leaf and root-like structures Very green, Chlorophyll throughout Non-vascular Ulota crispa Pylaisiella sp. (flat moss) Liverworts Non-vascular Usually in moist conditions tough “leaves” Radula complanata Frullania sp. (liverwort, center) Lessons developed and field tested by: Sarah Thorne, Science Teacher, Prospect Mountain High School, Alton, NH Funded by: White Mountain Interpretive Association, Kiwanis International, Cooperating organizations: White Mountain National Forest, Hubbard Brook Experimental Forest Thanks to consulting lichenologist, Natalie Cleavitt and US Forest Service Air Quality Specialist, Ralph Perron..

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Genetic Variation Within and Among Populations of the Threatened Lichen Lobaria Pulmonaria in Switzerland and Implications for I
MEC820.fm Page 2049 Saturday, December 18, 1999 1:20 PM Molecular Ecology (1999) 8, 2049–2059 GeneticBlackwell Science, Ltd variation within and among populations of the threatened lichen Lobaria pulmonaria in Switzerland and implications for its conservation S. ZOLLER,* F. LUTZONI† and C. SCHEIDEGGER* *Swiss Federal Institute for Forest, Snow and Landscape Research, CH-8903 Birmensdorf, Switzerland, †Department of Botany, The Field Museum of Natural History, Chicago IL 60605, USA Abstract The foliose epiphytic lichen Lobaria pulmonaria has suffered a signiﬁcant decline in European lowlands during the last decades and therefore is considered as endangered throughout Europe. An assessment of the genetic variability is necessary to formulate biologically sound conservation recommendations for this species. We investigated the genetic diversity of the fungal symbiont of L. pulmonaria using 143 specimens sampled from six populations (two small, one medium, three large) in the lowland, the Jura Moun- tains, the pre-Alps and the Alps of Switzerland. Among all nuclear and mitochondrial regions sequenced for this study, variability was found only in the internal transcribed spacer (ITS I), with three polymorphic sites, and in the nuclear ribosomal large subunit (nrLSU), with four polymorphic sites. The variable sites in the nrLSU are all located within a putative spliceosomal intron. We sequenced these two regions for 81 specimens and detected six genotypes. Two genotypes were common, two were found only in the more diverse populations and two were found only in one population each. There was no correlation between population size and genetic diversity. The highest genetic diversity was found in populations where the fungal symbiont is reproducing sexually.
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The Puzzle of Lichen Symbiosis
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1503 The puzzle of lichen symbiosis Pieces from Thamnolia IOANA ONUT, -BRÄNNSTRÖM ACTA UNIVERSITATIS UPSALIENSIS ISSN 1651-6214 ISBN 978-91-554-9887-0 UPPSALA urn:nbn:se:uu:diva-319639 2017 Dissertation presented at Uppsala University to be publicly examined in Lindhalsalen, EBC, Norbyvägen 14, Uppsala, Thursday, 1 June 2017 at 09:15 for the degree of Doctor of Philosophy. The examination will be conducted in English. Faculty examiner: Associate Professor Anne Pringle (University of Wisconsin-Madison, Department of Botany). Abstract Onuț-Brännström, I. 2017. The puzzle of lichen symbiosis. Pieces from Thamnolia. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1503. 62 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91-554-9887-0. Symbiosis brought important evolutionary novelties to life on Earth. Lichens, the symbiotic entities formed by fungi, photosynthetic organisms and bacteria, represent an example of a successful adaptation in surviving hostile environments. Yet many aspects of the lichen symbiosis remain unexplored. This thesis aims at bringing insights into lichen biology and the importance of symbiosis in adaptation. I am using as model system a successful colonizer of tundra and alpine environments, the worm lichens Thamnolia, which seem to only reproduce vegetatively through symbiotic propagules. When the genetic architecture of the mating locus of the symbiotic fungal partner was analyzed with genomic and transcriptomic data, a sexual self-incompatible life style was revealed. However, a screen of the mating types ratios across natural populations detected only one of the mating types, suggesting that Thamnolia has no potential for sexual reproduction because of lack of mating partners.
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Sensitive Species # of Lichens Lichen, it’s a Lifestyle Lichens get their food from light, air and rain so they are easily damaged by pollutants in the 0 1-4 5-9 10-19 20-29 30-39 40+ Although lichens are diverse, lichens can be found in three major forms. air. Scientists study lichens to learn about air pollution. The healthier the air, the more species of lichen there will be. 1) On your hike, count how many different lichens you can find. Check the box next to each lichen form you find on your hike. 2) Based on your findings, would you consider the area to have good or bad air quality? Air Quality: Crustose Foliose Fruticose Crustose lichens are thin like crust. The lichen’s edges stay flat Foliose lichens look like dry, wavy foliage (leaves). The Fruticose lichens are the most three-dimensional against the object it is growing on. Crustose lichens grow slowly edges curl off the surface the lichen is growing on. lichens. Some look like mini fruit trees without and some are among the oldest living organisms on Earth! leaves while others hang down from branches like hair. Porpidia Porpidia cf. albocaerulescens Ramalina Punctelia Ramalina culbersoniorum Punctelia rudecta Many lichens don’t have a common name. What What would you would you name this lichen? James Lendemer name this lichen? _________________________ ______________ Andy Moroz Powdered Ruffle Lichen Script Lichen Parmotrema hypotropum Erin Tripp Andy Moroz Graphis scripta Look for little black Pixie Cup Lichen ‘hairs’ called cilia! Cladonia chlorophaea James Lendemer Kate Deregibus Kate Erin Tripp Old Man’s Beard Gold Dust Lichen Lungwort Lichen Usnea dasaea Chrysothryix xanthina Lobaria pulmonaria Lichens come in many shapes, sizes and..
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A Preliminary Lichen Checklist of the Redstone Arsenal, Madison County, Alabama
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An Evolving Phylogenetically Based Taxonomy of Lichens and Allied Fungi
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Punctelia Rudecta Species Complex (Parmeliaceae, Ascomycota)
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