Collection location: Camp Ridge, Denali National Park, Alaska, USA [Click for map]
Appears to be parasite on Ophioparma, although possibly epithallic only. May ( http://www.nybg.org/bsci/lichens/eln/ophioparma.html ) mentions Muellerella and Sphinctrina as being lichenicolous on Ophioparma, but this doesn’t resemble either.
nearby O. lapponica Observation 107768 http://mushroomobserver.org/107768?q=ZskN
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its somewhat overwhelming though
but I found this related site http://mason.gmu.edu/~jlawrey/Lichenicolous/genuslist
Unfortunate that I didn’t collect it. Something for me to look out for in the future.
Polysporina lapponica is lichenicolous “Initially on Acarospora, Buellia, Candelariella and Lecanora on siliceous substrata, ultimately free-living: scattered” according to Smith, C.W., Aptroot, A., Coppins, B.J., Fletcher, A., Gilbert, O.L., James, P.W. and Wolseley, P.A. (2009) The Lichens of Great Britain and Ireland. There is a 2005 paper by Knudsen at http://www.duke.edu/~bph8/OP/op2p4.pdf (In Nash III, T.H., Gries, C. and Bungartzk, F. (ads) (2007) Lichen Flora of the Greater Sonoran Desert Region, Volume 3 Knudsen says that “the lichenicolous Polysporina taxa need revision”.)
Aside: came across terms new to me – endokapylic and epikapylic. Not in my old copy of A Dictionary of the Fungi, but found a definition on p.618 in Nash III, T.H., Ryan, B.D., Diederich, P., Gries, C. and Bungartz, F. (eds) (2004) Lichen Flora of the Greater Sonoran Desert Region, Volume 2
Added a photo also with probable parasite to Observation #107768 http://mushroomobserver.org/107768?q=aLYf
Like Polysporina or something (are there lichenicolous species of that genus??). Sigh, just nothing you can do without a specimen, though, is there?
[EDIT: Clarification — I’m referring to the black “apothecia” (visible especially in the upper left of the top photo). These look textured, perhaps even gyrose, which is an unusual characteristic, suggesting perhaps Polysporina, although I’m sure there are additional genera which display this charater which I am unaware of.]
Created: 2012-08-30 13:32:08 CDT (-0500)
Last modified: 2013-05-15 21:51:51 CDT (-0500)
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