ORIGINAL ARTICLE
Introducing a new member of the genus Chlorophyllum: Chlorophyllum sapukai sp. nov., and new records from Paraguay
1
Universidad Nacional de Asunción, Facultad de Ciencias Exactas
y Naturales, Lab. Análisis de Recursos Vegetales, área Micología,
San Lorenzo, Paraguay
2
CONICET. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
3
Universidad Nacional de Córdoba. Facultad de Ciencias Agropecuarias, BioTecA3 – Centro de Biotecnología Aplicada al Agro y Alimentos, Córdoba, Argentina
4
Fundación Fungicosmos, Córdoba, Argentina
Online publication date: 2022-12-31
Publication date: 2022-12-31
Plant and Fungal Systematics 2022; 67(2): 75-85
KEYWORDS
ABSTRACT
Discovered in Paraguay, Chlorophyllum sapukai is a new species based on morphological characters and multigene molecular phylogenetic analyses (ITS, LSU, RPB2 and
TEF1 markers). Macroscopically, the species is characterized by large agaricoid basidiomata,
with a hemispherical to broad convex pileus, a yellowish to cream buff surface of the pileus
covered centrally with plate-like squamules. Microscopically, the new species is characterized by abundant cheilocystidia (35–50 × 14–20 µm), truncate basidiospores with a defined
germ pore (9–10 × 6.5–7.5 μm), a pileus covering arranged as a trichodermial palisade at
the squamules. Chlorophyllum hortense is recorded for the first time for Paraguay and the
distribution of C. molybdites is expanded. Detailed morphological descriptions, field photographs of the species and the phylogenetic position of the Chlorophyllum species occurring
in Paraguay are presented. A key to neotropical Chlorophyllum species is also provided.
FUNDING
This work was carried out within the framework of the project
PINV18-699 Development of molecular tools for the taxonomic
identification of fungi from 3 Ecoregions of Paraguay, funded by
the Consejo Nacional de Ciencias y Tecnología (CONACYT).
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