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A new Leucoagaricus species of section Piloselli (Agaricales, Agaricaceae) from Spain.

Muñoz G, Caballero A, Contu M, Vizzini A - IMA Fungus (2012)

Bottom Line: The new species Leucoagaricus variicolor is described from a public park in Zaragoza, Spain, based on both morphological and molecular characters.Illustrations of fresh basidiomata in situ and of the main macro- and micromorphological features are added.Leucoagaricusvariicolor belongs to section Piloselli and is compared with similar taxa.

View Article: PubMed Central - PubMed

Affiliation: Avda. Valvanera 32, 5.° dcha. 26500 Calahorra, La Rioja, Spain.

ABSTRACT
The new species Leucoagaricus variicolor is described from a public park in Zaragoza, Spain, based on both morphological and molecular characters. Illustrations of fresh basidiomata in situ and of the main macro- and micromorphological features are added. Leucoagaricusvariicolor belongs to section Piloselli and is compared with similar taxa.

No MeSH data available.


Related in: MedlinePlus

Leucoagaricus variicolor. Microscopic characters. A–B. Elements of the pileipellis. C–D. Spores (in ammoniacal Congo red). E–F. Cheilocystidia (in ammoniacal Congo red). A, C, E from AH 40328 (holotype); B, D, F from GM-2485. Bars: A–B, E–F = 20 μm; C–D = 10 μm.
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Figure 3: Leucoagaricus variicolor. Microscopic characters. A–B. Elements of the pileipellis. C–D. Spores (in ammoniacal Congo red). E–F. Cheilocystidia (in ammoniacal Congo red). A, C, E from AH 40328 (holotype); B, D, F from GM-2485. Bars: A–B, E–F = 20 μm; C–D = 10 μm.

Mentions: Spores (5.6−)6.0− 6.8−7.6 (−8.2) × (4.5−)4.8− 5.2 −5.6(−5.7) μm, Q = (1.1−)1.2− 1.3 −1.4 (−1.6) (n = 120), subglobose to broadly ellipsoid or slightly ovoid, smooth, without a germ-pore, dextrinoid, metachromatic in Cresyl Blue (Figs 3C, D, 4A). Basidia 20–30 × 7–9 μm four-spored, clavate, without basal clamp connection (Fig. 4B). Lamella edge sterile. Cheilocystidia abundant, 20–45 × 10–16 μm, pedicellate, pyriform to sphaeropedunculate, rarely with a very short mucro, nearly hyaline or with light brown contents (diluted and homogeneous cytoplamatic pigment) (Figs 3E, F, 4C).


A new Leucoagaricus species of section Piloselli (Agaricales, Agaricaceae) from Spain.

Muñoz G, Caballero A, Contu M, Vizzini A - IMA Fungus (2012)

Leucoagaricus variicolor. Microscopic characters. A–B. Elements of the pileipellis. C–D. Spores (in ammoniacal Congo red). E–F. Cheilocystidia (in ammoniacal Congo red). A, C, E from AH 40328 (holotype); B, D, F from GM-2485. Bars: A–B, E–F = 20 μm; C–D = 10 μm.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3539314&req=5

Figure 3: Leucoagaricus variicolor. Microscopic characters. A–B. Elements of the pileipellis. C–D. Spores (in ammoniacal Congo red). E–F. Cheilocystidia (in ammoniacal Congo red). A, C, E from AH 40328 (holotype); B, D, F from GM-2485. Bars: A–B, E–F = 20 μm; C–D = 10 μm.
Mentions: Spores (5.6−)6.0− 6.8−7.6 (−8.2) × (4.5−)4.8− 5.2 −5.6(−5.7) μm, Q = (1.1−)1.2− 1.3 −1.4 (−1.6) (n = 120), subglobose to broadly ellipsoid or slightly ovoid, smooth, without a germ-pore, dextrinoid, metachromatic in Cresyl Blue (Figs 3C, D, 4A). Basidia 20–30 × 7–9 μm four-spored, clavate, without basal clamp connection (Fig. 4B). Lamella edge sterile. Cheilocystidia abundant, 20–45 × 10–16 μm, pedicellate, pyriform to sphaeropedunculate, rarely with a very short mucro, nearly hyaline or with light brown contents (diluted and homogeneous cytoplamatic pigment) (Figs 3E, F, 4C).

Bottom Line: The new species Leucoagaricus variicolor is described from a public park in Zaragoza, Spain, based on both morphological and molecular characters.Illustrations of fresh basidiomata in situ and of the main macro- and micromorphological features are added.Leucoagaricusvariicolor belongs to section Piloselli and is compared with similar taxa.

View Article: PubMed Central - PubMed

Affiliation: Avda. Valvanera 32, 5.° dcha. 26500 Calahorra, La Rioja, Spain.

ABSTRACT
The new species Leucoagaricus variicolor is described from a public park in Zaragoza, Spain, based on both morphological and molecular characters. Illustrations of fresh basidiomata in situ and of the main macro- and micromorphological features are added. Leucoagaricusvariicolor belongs to section Piloselli and is compared with similar taxa.

No MeSH data available.


Related in: MedlinePlus