Bryoparasitic Pezizales

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Lamprospora thelespopra Martínez-Gil, M.Vega & E.Rubio
Cryptogamie Mycologie 42(6): 105 (2021)
Mycobank MB835295

Holotype: Spain, Ventosa (La Rioja), 42°25'10"N, 2°37'38"W, 690 m alt., a mossy area in a copse of Quercus ilex L., 8 Mar. 2018, leg. Rubén Martínez-Gil. (holotype MA-Fungi 90701).
Lamprospora thelespora, apothecia Lamprospora thelespora, spores
1: Lamprospora thelespora, apothecia between shoots of Cheilothela chloropus, Cyprus, Paphos, leg. Marcel Vega & Carol Hobart, 2019-03-01. Image by Marcel Vega 2: Lamprospora thelespora, spores in water, Spain, Ventosa, leg. Rubén Martinez-Gil, 2018-03-10. Image by Lukaš Janošík
Apothecia: 0.7-2.5 mm in diameter, broadly turbinate with a conspicuous fimbriate to shaggy margin up to 350-500 µm; hymenium slightly convex or flattened, bright orange, margin and outer surface paler than the hymenium
Asci: straight, cylindrical, narrowing toward base, 225-480 × 22-40 µm, 8-spored, spores uniseriate
Paraphyses: filiform, cylindrical, straight, 3-6 µm wide, multiseptate, not branched, with abundant orange carotenoid pigment which turns green in IKI, pigment also occurs in lipid bodies (LBs), apical cell slightly thickened, 40-100 x 5-8 µm
Ascospores: hyaline, globose, (17)18-20(22) µm diam., with an excentric lipid drop (10)11-14 µm in diameter. Spore ornamentation of isolated warts of irregular shape and size, 1-2.5 µm wide and 1-3 µm high, warts in side view hemispherical, nodulose or rarely acute, but mostly blunt or truncate
Host: Cheilothela chloropus
Infection; infects the rhizoids and cortical cells of subterranean stems of the moss Cheilothela chloropus; appressoria are 40-70 x 20-40 µm in side-view with mostly two septa and sometimes with additional oblique walls
Distribution: Cyprus, Spain


References:
  • 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
Images:
Lamprospora thelespora, spores Lamprospora thelespora, spores
3: Lamprospora thelespora, SEM-image of spores, Spain, Ventosa, leg. Rubén Martinez-Gil, 2019-Feb. 4: Lamprospora thelespora, spores in water, Spain, Ventosa, leg. Rubén Martinez-Gil, 2018-03-10. Image by Lukaš Janošík

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