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Species MB515129 Canoparmelia subroseoreagens Canêz, Marcelli & Elix 2010   Bibliography: Canêz, L.; Marcelli, M.P.; Elix, J.A., 2009, Mycotaxon 110: 469 (more info, abstract) Year of publication: 2010 Status of the name: basionym; legitimate MycoBank's opinion: currently used Classification: Fungi, Ascomycota, Pezizomycotina, Lecanoromycetes, Lecanoromycetidae, Lecanorales, Parmeliaceae, Canoparmelia Obligate synonym(s): none Morphic status: Teleomorph (anamorph connection(s) unknown or not recorded) Taxonomic synonym(s): Ordered by epithet name none Descriptions: Latin diagnosis (Canêz, L.; Marcelli, M.P.; Elix, J.A. 2009, Mycotaxon 110: 469) Canoparmelia subroseoreagens Canêz, Marcelli & Elix, sp. nov. Fig. 1c MycoBank MB 515129 Diagnosis: Similis Canoparmelia roseoreagens substantiis medullae sed praesentia soredium granularium differt. Holotype - Brazil, Rio Grande do Sul State, Municipality of Vacaria, Fazenda da Estrela locality, Araucaria angustifolia forest, 28º03'58.8''S, 50º57'34.1''W, 905 m alt., on tree bark, leg. L.S. Canêz & A.A. Spielmann 1374, 03-III-2003 (SP, isotype in H). Original description (Canêz, L.; Marcelli, M.P.; Elix, J.A. 2009, Mycotaxon 110: 469) Canoparmelia subroseoreagens Canêz, Marcelli & Elix, sp. nov. Fig. 1c MycoBank MB 515129 Thallus grayish, sublaciniate to laciniate, to 6.0 cm wide; laciniae irregularly branched, smooth, plane, adnate, contiguous, 0.5-2.5 mm wide, apices truncate, margin slightly crenate to sinuous, black, surface continuous only in the younger parts, becoming markedly cracked and even forming "schizidia like" plaques in the center of the thallus. maculae weak, reticulate, present at the apices of the lobes. Lacinulae, pustulae and isidia absent. Soralia orbicular, mainly laminal, less frequently marginal; soredia laminal, mostly subgranular, originating mainly from the margins of cracks; granules ±becoming corticate and/or forming small pseudoisidia. Medulla white, K+ purple pigment absent. Lower surface black, shiny, papillate; marginal zone dark brown, opaque to shiny, 0.7-2.0 mm wide, smooth to papillate; rhizines black, rarely with whitish apices, simple, 0.20-0.85 x 0.05 mm, frequent to abundant, evenly distributed. Apothecia and pycnidia not seen. Spot tests: upper cortex K+ yellow, UV-; medulla K-, C+ purplish rose, KC+ strongly rose evanescent, P-, UV-. TLC/HPLC: Atranorin (±trace) olivetolcarboxylic acid (major), twelve major unknown depsides (derivatives of norsekikaic acid, norhomosekikaic acid and norhyperhomosekikaic acid). Canoparmelia subroseoreagens is characterized by a strongly cracked upper surface, with most soredia originating from the somewhat elevated crack margins to form rounded hollowed structures that resemble open pustules. This species has additionally a unique chemistry, producing olivetolcarboxylic acid (C+ rose) as main medullary substance together with numerous unknown meta-depsides. It is chemically and morphologically related to C. roseoreagens described above, but that species produces isidia rather than soredia. The specific epithet refers to this similarity. A further sorediate C+ species is C. consanguinea described above, but that species differs in chemistry and in producing soredia directly from the upper surface, rather than from the border of plaques. Date entered: 19/08/2009 01:54:05 Date of release: 15/02/2010 02:50:30 Entered by: Dr. Marcelo Marcelli Instituto de Botânica / Seção de Micologia e Liquenologia, Brazil Illustration #1: Description: Partial new species holotypes c. Canoparmelia subroseoreagens. Author(s): Canêz Marcelli & Elix Original in: Canêz, L., Marcelli, M.P. & Elix, J.A. 2009, Mycotaxon 110: 465-472 Type specimen Description: MBSPEC 50033 Herbarium number: SP, isotype in H Collected by: L.S. Canêz & A.A. Spielmann 1374, 03-III-2003 Substrate: tree bark Location: Brazil, Rio Grande do Sul State, Municipality of Vacaria, Fazenda da Estrela locality, Araucaria angustifolia forest, 28º03'58.8''S, 50º57'34.1''W, 905 m alt.