Abstract
A new species, Leucoagaricus cupresseoides, from a pine forest in Castelfusano, Rome, Italy, is described based on both morphological and molecular analyses. Updated morphological descriptions of Leucoagaricus aurantiovergens and L. pseudopilatianus are presented due to new collections from Italy and confirmed by nrITS sequence analysis of the type specimens of the two species. Based on our morphological and molecular analyses, L. pseudopilatianus var. roseodiffractus and L. paracupresseus are synonyms of L. aurantiovergens; and L. pseudopilatianus var. rugosoreticulatus is not molecularly distinct from L. pseudopilatianus. Leucoagaricus cupresseus, L. cupresseoides, L. aurantiovergens and L. pseudopilatianus form the L. cupresseus complex for which a comparative table is provided.
References
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<p>Bon, M. (1993) Flore mycologique d’Europe, 3. Les Lépiotes. Lepiotaceae Roze. Documents mycologiques, Mémoire hors série 3: 1–153.</p>
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<p>Miller, M.A., Pfeiffer, W. & Schwartz, T. (2010) Creating the CIPRES Science Gateway for inference of large phylogenetic trees. <em>In</em>: <em>Proceedings of the Gateway Computing Environments Workshop (GCE).</em> New Orleans, LA, pp. 1–8. https://doi.org/10.1109/GCE.2010.5676129</p>
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<p>Salom, L.C., Siquier, J.L., Planas, J. & Espinosa, J. (2021b) Contribuciòn al conoscimiento de <em>Lepiota s.l.</em> en las Illes Baleares (España) VII. <em>Leucoagaricus paracupresseus</em> Salom, Siquier, Planas & Espinosa. <em>Erratori</em> 18: 148–157.</p>
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<p>Singer, R. (1973) Diagnoses fungorum novorum Agaricalium III. <em>Beihefte zur Sydowia</em> 7: 1–106.</p>
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<p>Asif, M., Niazi, A.R., Izhar, A., Khalid, A.N. & Bashir, H. (2021) <em>Leucoagaricus fragilis sp. nov.</em> (Agaricaceae) from Punjab, Pakistan. <em>Phytotaxa</em> 501: 140–150. https://doi.org/10.11646/phytotaxa.501.1.5</p>
<p>Boisselet, P. & Guinberteau, J. (2001) <em>Leucoagaricus cupresseus</em> (Burlingham) Boisselet & Guinberteau comb. nov., une lépiote cupressicole d’origine américaine récolltée en France. <em>Bulletin de la Féderation des Associations mycologiques méditerranéennes</em>, n.s. 19: 33–42.</p>
<p>Bon, M. & Boiffard, J. (1974) Lépiotes de Vendée et de la côte Atlantique française. <em>Bulletin de la Société Mycologique de France</em> 90: 287–306.</p>
<p>Bon, M. (1976) Novitates. <em>Documents mycologiques</em> 6: 41–46.</p>
<p>Bon, M. (1993) Flore mycologique d’Europe, 3. Les Lépiotes. Lepiotaceae Roze. Documents mycologiques, Mémoire hors série 3: 1–153.</p>
<p>Consiglio, G., Setti, L. & Vizzini, A. (2021) A new species of <em>Leucoagaricus</em> (<em>Agaricaceae</em>, <em>Agaricales</em>) found in Italy. <em>Micologia e Vegetazione Mediterranea</em> 36: 201–216.</p>
<p>Darriba, D., Taboada, G.L., Doallo, R. & Posada, D. (2012) jModelTest 2: more models, new heuristics and parallel computing. <em>Nature Methods</em> 9: 772. https://doi.org/10.1038/nmeth.2109</p>
<p>Dovana, F., Contu, M., Angeli, P., Brandi, A. & Mucciarelli, M. (2017) <em>Leucoagaricus ariminensis</em> sp. nov., a lilac species from Italy. <em>Mycotaxon</em> 132: 205–216. https://doi.org/10.5248/132.205</p>
<p>Dutta, A.K., Stallman, J.K., Bera, S., Hoque, E., Paloi, S. & Acharya, K. (2021) Lepiotaceous fungi of West Bengal, India: two new species of <em>Leucoagaricus</em>. <em>Mycological Progres</em>s 20: 493–507. https://doi.org/10.1007/s11557-021-01685-w</p>
<p>Forin, N., Nigris, S., Voyron, S., Girlanda, M., Vizzini, A., Casadoro, G. & Baldan, B. (2018) Next generation sequencing of ancient fungal specimens: the case of the Saccardo mycological herbarium. <em>Frontiers in Ecology and Evolution</em> 6: 129. https://doi.org/10.3389/fevo.2018.00129</p>
<p>Gardes, M. & Bruns, T.D. (1993) ITS primers with enhanced specificity for <em>Basidiomycetes</em>–application to the identification of mycorrhizae and rusts. <em>Molecular Ecology</em> 2: 113–118. https://doi.org/10.1111/j.1365-294X.1993.tb00005.x</p>
<p>Gliozzi, V. (1999) Una nuova entitaÌ della sezione <em>Piloselli</em>: <em>Leucoagaricus aurantiovergens</em> sp. nov. <em>Rivista di Micologia </em>41: 291–300.</p>
<p>Gennari, A., Migliozzi, V. & Siquier Virgós, J.L. (1995) Tre interessanti <em>Leucocoprinae</em> sabulicole. <em>Leucoagaricus gaillardii</em> Bon & Boiffard, <em>Sericeomyces subvolvatus</em> (Malençon & Bertault) Contu fo. <em>subvolvatus</em> e <em>S. subvolvatus </em>fo. <em>pictus </em>(Malençon & Bertault) Bon. <em>Micologia e Vegetazione Mediterranea</em> 10: 9–21.</p>
<p>Justo, A., Angelini, C. & Bizzi, A. (2021) The genera <em>Leucoagaricus </em>and <em>Leucocoprinus </em>in the Dominican Republic. <em>Mycologia</em> 113: 348–389. https://doi.org/10.1080/00275514.2020.1819142</p>
<p>Katoh, K., Misawa, K., Kuma, K. & Miyata, T. (2002) MAFFT: a novel method for rapid multiple sequence alignment based on fast Fourier transform. <em>Nucleic Acids Research</em> 30: 3059–3066. https://doi.org/10.1093/nar/gkf436</p>
<p>Kozlov, A.M., Darriba, D., Flouri, T., Morel, B. & Stamatakis, A. (2019) RAxML-NG: A fast, scalable and user-friendly tool for max-imum likelihood phylogenetic inference. <em>Bioinformatics </em>35: 4453–4455. https://doi.org/10.1093/bioinformatics/btz305</p>
<p>Latha, K.P.D., Raj, K.N.A. & Manimohan, P. (2020) <em>Leucoagaricus callainitinctus</em>—a new species of <em>Leucoagaricus</em> section <em>Piloselli </em>(<em>Agaricaceae</em>) from tropical India. <em>Phytotaxa </em>442: 111–120. https://doi.org/10.11646/phytotaxa.442.2.6</p>
<p>Liang, J.F., Yang, Z.L., Xu, J. & Ge, Z.W. (2010) Two new unusual <em>Leucoagaricus </em>species (Agaricaceae) from tropical China with blue-green staining reactions. <em>Mycologia</em> 102: 1141–1152. https://doi.org/10.3852/09-021</p>
<p>Maddison, W.P. & Maddison, D.R. (2019) Mesquite: a modular system for evolutionary analysis. Available from: http://www.mesquiteproject.org (accessed 23 February 2022)</p>
<p>Migliozzi, V. & Perrone, L. (1992) Sulle Lepiotee - 8° contributo. Descrizione di <em>Leucoagaricus brunnescens</em> (Peck) Bon e creazione della sottosezione <em>Pilatianei </em>Migliozzi et Perrone. <em>Bollettino dell’associazione micologica ed ecologica romana</em> 26: 3–9.</p>
<p>Migliozzi, V. & Resta, G. (2001) Note sulla sottosezione <em>Pilatiani </em>del genere<em> Leucoagaricus. </em>Due nuove varietà: <em>Leucoagaricus</em> <em>pseudopilatianus </em>var. <em>rugosoreticulatus</em> e <em>Leucoagaricus</em> <em>pseudopilatianus </em>var. <em>roseodiffractus</em>. <em>Micologia e Vegetazione Meditteranea</em> 15: 129–156.</p>
<p>Migliozzi, V., Rocabruna, A. & Tabarés, M. (2001) <em>Leucoagaricus pseudopilatianus</em>, una nueva especie de la sección <em>Piloselli</em>.<em> Revista Catalana de Micologia</em> 23: 67–74.</p>
<p>Miller, M.A., Pfeiffer, W. & Schwartz, T. (2010) Creating the CIPRES Science Gateway for inference of large phylogenetic trees. <em>In</em>: <em>Proceedings of the Gateway Computing Environments Workshop (GCE).</em> New Orleans, LA, pp. 1–8. https://doi.org/10.1109/GCE.2010.5676129</p>
<p>Muñoz, G., Caballero, A., Contu, M. <em>& </em>Vizzini, A. (2012) A new <em>Leucoagaricus </em>species of section <em>Piloselli </em>(<em>Agaricales</em>, <em>Agaricaceae</em>) from Spain. <em>IMA Fungus</em> 3: 117–123. https://doi.org/10.5598/imafungus.2012.03.02.03</p>
<p>Muñoz, G., Caballero, A., Contu, M., Ercole, E. & Vizzini, A. (2014) <em>Leucoagaricus croceobasis</em> (<em>Agaricales</em>, <em>Agaricaceae</em>), a new species of section <em>Piloselli</em> from Spain. <em>Mycological Progress</em> 13: 649–655. https://doi.org/10.1007/s11557-013-0947-x</p>
<p>Patouillard, N.T. (1888) Quelques points de la classification des Agaricinées. <em>Journal de Botanique</em> <em>(Morot)</em> 2: 12–16.</p>
<p>Priou, J.P., Bodin, M. & Guinberteau, J. (1995) Une espèce méconnue: <em>Leucoagaricus gaillardii </em>Bon & Boiffard – nouvelles données morphologiques, écologiques, chorologiques. <em>Documents mycologiques</em> 25: 349–358.</p>
<p>Redhead, S.A. (2016) Nomenclatural novelties. <em>Index Fungorum</em> 315: 1.</p>
<p>Ronquist, F., Teslenko, M., van der Mark, P., Ayres, D.L., Darling, A., Höhna, S., Larget, B., Liu, L., Suchard, M.A. & Huelsenbeck, J.P. (2012) MrBayes 3.2: efficient Bayesian phylogenetic inference and model choice across a large model space. <em>Systematic Biology</em> 61: 539–542. https://doi.org/10.1093/sysbio/sys029</p>
<p>Saccardo, P.A. (1887) Sylloge Hymenomycetum, Vol. I. Agaricineae. <em>Sylloge Fungorum</em> 5: 1–1146.</p>
<p>Salom, L.C., Siquier, J.L., Planas, J. & Espinosa, J. (2021a) <em>Leucoagaricus paracupresseus</em> Salom, Siquier, Planas & Espinosa, sp. nov. <em>Index Fungorum</em> 485: 1.</p>
<p>Salom, L.C., Siquier, J.L., Planas, J. & Espinosa, J. (2021b) Contribuciòn al conoscimiento de <em>Lepiota s.l.</em> en las Illes Baleares (España) VII. <em>Leucoagaricus paracupresseus</em> Salom, Siquier, Planas & Espinosa. <em>Erratori</em> 18: 148–157.</p>
<p>Schindelin, J., Arganda-Carreras, I., Frise, E., Kaynig, V., Longair, M., Pietzsch, T., Preibisch, S., Rueden, C., Saalfeld, S., Schmid, B., Tinevez, J.-Y., White, D.J., Hartenstein, V., Eliceiri, K., Tomancak, P. & Cardona, A. (2012) Fiji: an open-source platform for biological-image analysis. <em>Nature methods</em> 9: 676–682. https://doi.org/10.1038/nmeth.2019</p>
<p>Singer, R. (1948) Diagnoses fungorum novarum Agaricalium. <em>Sydowia</em> 2: 26–42.</p>
<p>Singer, R. (1973) Diagnoses fungorum novorum Agaricalium III. <em>Beihefte zur Sydowia</em> 7: 1–106.</p>
<p>Ullah, Z., Jabeen, S., Faisal, M., Ahmad, H. & Khalid, A.N. (2019) <em>Leucoagaricus brunneus</em> sp. nov. from Khyber Pakhtunkhwa, Pakistan. <em>Mycotaxon</em> 134: 601–611. https://doi.org/10.5248/134.601</p>
<p>Vellinga, E.C. (1988) Glossary. <em>In</em>: Bas, C., Kuyper, T.W., Noordeloos, M.E. & Vellinga, E.C. (Eds.) <em>Flora Agaricina Neerlandica</em>. <em>Critical monographs on families of agarics and boleti occurring in the Netherlands</em>, vol 1. A.A. Balkema, Rotterdam, pp. 54–64.</p>
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