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Lamprospora pseudoarvensis M. Vega, Eckstein, Friebes & R. Tena
Ascomycete.org 9(5): 140 (2017)
Mycobank MB#822693
Holotype: SPAIN: Sierra de Guadarrama, Valle de Lozoya (Madrid),
40°50’12.1’’ N, 3°54’48.3” E, 1470 m asl, besides a trail next to a tree
stump, leg. Marcel Vega, Miguel Ángel Ribes & Fermín Pancorbo,
2015-Nov-21 (HBG-024462)
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| 1: Lamprospora pseudoarvensis, apothecia between shoots of Pleuridium acuminatum, Austria, Gleichenberger Kogel, leg. Gernot Friebes, 2015-02-08. Image by Gernot Friebes |
2: Lamprospora pseudoarvensis, spores stained with cotton-blue, Germany, Thuringia, Duderstadt, leg. Jan Eckstein, 2015-01-18 |
Apothecia: 0.5-3 mm in diameter, first spherical, becoming saucer-shaped, finally thick and discoid with a flat hymenium, sessile, mostly with a low and narrow fimbriate margin, hymenium light-orange to orange, margin and outer surface slightly paler
Asci: (200)240-300(320) x (18)20-32(36) µm, 8-spored, spores uniseriate, operculate, inamyloid
Paraphyses: filiform, upper cells containing many vacuoles with orange pigment, not or only slighly inflated apically, terminal cell 45-80(100) x 3-5(6)8 µm
Ascospores: hyalin, globose, (18)19-24(25) µm (inclusive ornamentation), with a large lipid drop 12-16 µm in diameter, ornamentation consisting of a regular polygonal net of ridges (1)2-3(4) µm wide and 1.5-3(4) µm high which often meet in clear angles of 60-120°, ridges not or only slightly widened at meeting points, meshes 3-7 µm broad with some stains or low warts within
Medullary excipulum: of textura angularis, with cells 12-26(3-11 µm, margo of textura porrecta
Host: Pleuridium acuminatum
Infection; infects the rhizoids, infection structure consisting of an (2)3-celled appressorium 30-35 x 20-25 µm in side view, surrounded by a dense layer of accompanying hyphae 10-15 µm wide
Distribution: Austria, Czech Republic (Janošík unpublished), Canary Islands, France, Germany, Hungary, Portugal, Spain
Note: Similar to Lamprospora arvensis but differs from that species in apothecia with an lower margin, larger ascospores with an more regular reticulum as well as the host.
References:
- Eckstein, J., Eckstein G., Frauenberger, H. & Wieschollek, D. 2020. Erste Checkliste der Moosbecherlinge Thüringens. - Boletus 41: 51-64.
- Janošík, L., Sochorová, Z., Eckstein, J., Vega, M. & Koukol, O. 2023. Ascospore morphology of bryophilous Pezizales is closely associated with the place of infection and host ecology. - Fungal Ecology 61: 101200. DOI
- Németh C. 2021. Chorological Novelties of the Bryophilous Genera Lamprospora and Octospora (Pezizales) in Hungary= Új briofil csészegombák Magyarországon. - Acta Biologica Plantarum Agriensis 9: 65. DOI
- Quintero, M., Quijada, L., Negrín, R. & Losada-Lima, A. 2020. Pezizales asociados a briófitos en las islas Canarias: estado actual y contribución a su estudio en la isla de Tenerife. - Ascomycete.org. 12:19–28.
- Ribollet, P. 2016. Contribution à la connaissance des genres Octospora Hedw. 1789 et Lamprospora De Not. 1864 en Loire-Atlantique, Seconde partie: le genre Lamprospora De Not. 1864. - Cahiers Mycologiques Nantais 28: 7-13. PDF [as L. arvensis]
- Rubio, E., Suárez, A. & Miranda, M. A. 2002. Estudios preliminares sobre los generos Lamporspora de Natais y Ramsbottomia W. D. Buckley (Ascomycetes, Pezizales) en Asturias. - Bol. Soc. Micol. Madrid 26: 61-82. [as L. arvensis]
- Vega, M., Richter, T. & Schubert, H. 2013. Zur Kenntnis von Lamprospora arvensis (Velen.) Svrček in Europa. - Zeitschrift für Mykologie 79: 497-510. [one specimen from Portugal as L. arvensis]
- Vega, M., Eckstein, J., Friebes, G., Tena Lahoz, R. & Gube, M. 2017. Lamprospora pseudoarvensis sp. nov. (Pezizales) - a lookalike tracked down. - Ascomycete.org 9(5): 139-148.
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| 3: Lamprospora pseudoarvensis, SEM-image of spore, Austria, Gleichenberger Kogel, leg. Gernot Friebes, 2016-02-13 |
4: Lamprospora pseudoarvensis, SEM-image of spores, Austria, Gleichenberger Kogel, leg. Gernot Friebes, 2016-02-13 |
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