Bryoparasitic Pezizales

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Lamprospora tuberculatella Seaver
Mycologia 6: 15 (1914)
Mycobank: MB#200657
Holotype: U.S.A.: New York, Yonkers, leg. F. J. Seaver 1912-Sep (NYBG-00915362)

Lamprospora tuberculatlla Lamprospora tuberculatella
1: Lamprospora tuberculatella, apothecium, Germany, Saxony-Anhalt, leg. Jan Eckstein 2009-09-28 2: Lamprospora tuberculatella, ascus with ascospores stained with cotton-blue, Germany, Saxony-Anhalt, leg. Jan Eckstein 2014-09-25
Apothecia: very small, 0.3-1 mm, pulvinate, hemisheric, without membranaceous margin, hymenium orange to yellowish-orange
Asci: 210–280 x 16–23(26) µm, 8-spored, uniseriate
Ascospores: globose, inclusive ornamentation (14-)15-18(-21) µm, exclusive ornamentation 13-16(-19) µm in diameter, ornamentation consisting of isolated warts (0.5-)1-3(-3) µm broad and high, hollow within, on the spore surface the warts are sometimes connected by low ridges (almost only visible in SEM-images)
Host: Weissia sp., Weissia controversa
Infectious structures: infects the rhizoids
Habitat: on soil with pioneer mosses
Distribution: Australia, Austria, Czech Republic (Janošík unpublished), France, Germany (ST, TH), Hungary, Portugal, Slovakia (Janošík unpublished), Spain, The Netherlands, Turkey, United States
Note: Spore size and bryophyte hosts differ between Seaver (1914, 1928), Wang & Kimbrough (1992) and Benkert (1987, 2002). Our measurements of Seaver’s material in NYBG (six vouchers) are 16-18 µm diam., which corresponds to the measurements 16-18(20) µm diam. reported by Wang & Kimbrough (1992). The host of Seavers samples could be identified to the genus Weissia. Reports of L. tuberculatella from other hosts, i.e. on Didymodon vinealis and Ephemerum megalosporum in Benkert (2002), probably belong to other taxa.

References:
  • Benkert, D. 1987a. Beiträge zur Taxonomie der Gattung Lamprospora (Pezizales). - Zeitschrift für Mykologie 53: 195-271.
  • Benkert, D. 2002. Beitrage zur Kenntnis bryophiler Pezizales 10. Variabilitat und Verbreitung von Lamprospora maireana Seaver und L. tuberculatella Seaver. - Feddes Repertorium 113: 80-95.
  • Benkert, D. 2007. Zur Kenntnis des Vorkommens bryophiler Pezizales (Ascomycota) in Südost-Europa. - Mycologia Montenegrina 10: 7-21.
  • Caillet, M. & Moyne, G. 1980. Contribution a l'étude du genre Octospora Hedw. ex S.F. Gray emend. Le Gal. especes a spores ornementées, globuleuses ou subglobuleuses. - Bulletin de la Société Mycologique de France 96: 175-211.
  • Caillet, M. & Moyne, G. 1991. Clé de détermination du genre Octospora et des genres voisins. - Bulletin de la Société d'Histoire Naturelle du Doubs 84: 9-24.
  • Dennis, R. W. G. & Itzerott, H. 1973. Octospora and Inermisia in Western Europe. - Kew Bulletin 28: 5-23.
  • Eckstein, J. 2014. Lamprospora hispanica und Lamprospora tuberculatella - zwei bryoparasitische Discomyceten (Ascomycota, Pezizales) neu für Deutschland. - Zeitschrift für Mykologie 80: 105-117. PDF
  • Eckstein, J., Eckstein G., Frauenberger, H. & Wieschollek, D. 2020. Erste Checkliste der Moosbecherlinge Thüringens. - Boletus 41: 51-64.
  • McLennan, E. & Cookson, I. 1926. Additions to the Australian ascomycetes, II. - Proceedings of the Royal Society of Victoria New Series 38: 69-76, plate IV-VI.
  • Rubio, E., 2013. Lamprospora tuberculatella. URL: http://www.ascofrance.com/search_recolte/3384 - 30.01.2013
  • Seaver, F. J. 1914. A preliminary study of the genus Lamprospora. - Mycologia 6: 5-24, plate 114. PDF
  • Torres, P., Honrubia, M. & Diaz, G. 1988. Notas sobre ascomycotina en el S.E. de Espana Peninsular IV. Nuevas citas de discomicetos saprofitos. - International journal of mycology and lichenology 3: 319-335.
  • Uzun, Y. & Kaya, A. 2019. New Additions to Turkish Pezizales from the Eastern Black Sea Region. - Turkish Journal of Botany. 43: 262–270.
  • Vega M., Janošík L., Eckstein J., Martínez-Gil R. & Rubio E. 2021. Warts galore – on three new Lamprospora De Not. species (Pezizales) from Southern Europe and Macaronesia and a type revision of three species described from the US by F. J. Seaver in the 1910s. - Cryptogamie Mycologie 42: 91–119. PDF
  • Wang, Y. Z. & Kimbrough, J. W. 1992. Monographic studies of North American species of Octospora previously ascribed to Lamprospora (Pezizales, Ascomycetes). - Special Publication no. 4, National Museum of Natural Science (Taiwan). PDF
Images:
Lamprospora tuberculatella
3: Lamprospora tuberculatella, SEM-image of ascospore, Germany, Saxony-Anhalt, leg. Jan Eckstein 2011-09-29

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