Leucoagaricus cupresseoides (Agaricaceae), a new species in sect. Piloselli and L. aurantiovergens and L. pseudopilatianus redescribed from Italy Author Forin, Niccolò Botanical Garden, University of Padova, Via Orto Botanico 15, 35123, Padova, Italy & Department of Biology, University of Padova, Via Ugo Bassi, 58 b, 35121, Padova, Italy Author Tatti, Alessia 0000-0001-9628-528X Department of Biology, University of Padova, Via Ugo Bassi, 58 b, 35121, Padova, Italy & Department of Environmental and Life Science, Section Botany, University of Cagliari, Viale S. Ignazio 1, I- 09123, Cagliari, Italy alessia. tatti @ gmail. com; https: // orcid. org / 0000 - 0001 - 9628 - 528 X alessia.tatti@gmail.com Author Vizzini, Alfredo 0000-0001-8390-6446 Department of Life Sciences and Systems Biology, University of Torino, Viale P. A. Mattioli, 25, 10125 Torino, Italy alfredo. vizzini @ unito. it; https: // orcid. org / 0000 - 0001 - 8390 - 6446 alfredo.vizzini@unito.it Author Coppola, Alessandra Piazza San Giovanni Bosco 86, I- 00175, Roma, Italy Author Migliozzi, Vincenzo Viale G. Marconi 196, I- 00146, Roma, Italy text Phytotaxa 2022 2022-02-24 536 2 126 140 journal article 20432 10.11646/phytotaxa.536.2.2 02c324ae-cbf8-4a2f-8d49-9b96b6e7e75a 1179-3163 6257542
TABLE 1. Comparison between the main morphological characters of the species within the L. cupresseus complex.
SpeciesVelar patchesAnnulusContextPileus covering terminal elementsBasidiosporesCheilocystidia
Leucoagaricus cupresseus (Vellinga 2010)Nowhite, changing orange when touched and turning dark brown with ageturning orange red after bruising(50–)80–350 × 8.0–20 μm, cylindrical to narrowly fusiform, with parietal brown pigment6.1–9.3 × 3.9–5.4 μm, Q = 1.4–2.0, ellipsoid to oblong, amygdaliform23–89 × 6.0–16 μm, variable in shape, clavate, fusiform-clavate, lageniform-utriform, cylindrical, some lageniform with rather abrupt excrescence, or with subcapitate apex
L. cupresseoides (this study)Yeswhiteturning vinaceous red after bruising(80) 100–240 (280) × (8) 9–15 (16) μm cylindrical with rounded apex, pigment brown both parietal and intracellular(6.2–) 6.6–7.2–7.7 (–8.6) × (4–) 4.2–4.5–4.8 (–5.3) μm, Q= (1.3–) 1.5–1.6–1.7 (–1.9) subglobose to ellipsoid, amygdaliform30–60 × 10–16 (18) µm, lageniform to clavate, not pedicellate; with brownish necropigments in dried specimens treated with ammonia
L. aurantiovergens (this study)Nowhite with brown marginturning at first yellow orange then red and brown after bruising(70) 80–200 (290) × (7) 9–19 (21) μm, cylindrical with rounded apex, with brownish pigments both parietal and intracellular(6–) 7–7.7–8.5 (–11) × (4–) 4.5–5– 5.5 (–6.7) μm, Q= (1.1–) 1.4–1.6–1.7 (–2.1) subglobose to ellipsoid, sometimes sub-amygdaliform(25) 30–45 (60) × (8) 10–15 (17) μm, clavate-cylindrical to clavate, rarely lageniform, with rounded apex, not pedicellate, hyaline, with brownish intracellular pigments and necropigments in dried specimens treated with ammonia
L. pseudopilatianus (this study)Nowhiteturning vinaceous red after bruising80–260 (300) × 10–20 (24) μm, cylindrical with rounded apex, with pigments both parietal and intracellular(6.8–) 7.7–8.7–9.8 (–11.8) × (4.2–) 4.7–5.2–5.8 (–6.9) μm, Q= (1.4–) 1.5–1.7–1.8 (–2.2) subglobose to ellipsoid, sub-amygdaliform(20) 27–65 × 10–16 (20) μm, cylindrical, clavate-cylindrical with rounded apex, not pedicellate, with brownish intracellular pigments and necropigments in dried specimens treated with ammonia