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KMID : 0379119820100040221
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Korean Journal of Mycology
1982 Volume.10 No. 4 p.221 ~ p.222
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Distribution of the Tropical and Temperate Agarcales in Mexico , in Comparison with other Parts of the World
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Guzman, Gaston
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Abstract
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The Mexican mycoflora is very rich in species, because Mexico is the boundary between two important ecological zones, the Neotropic region in the south, and the Boreal one in the north. This is the reason why in Mexico is possible to find North American species, growing together with tropical or South American fungi. In fact, the conifereus forests from the north of Mexico run to the south to establish contact with the tropical green forests. The author has been. studied the temperate fungi from Mexico since 1955, and recently he is studying the tropical mushrooms. He discussed in 1973 (Mycology 65) the relationships between Mexican and U.S.A. mycofloras. The relationships between Mexico and South America were discussed in 1975 (in Bigelow and Thiers, Studies on Higher Fungi. Beih. Nova Hedwigia 51) and in 1977 (Bol. Soc. Argentina Bot. 18). The relationships between Mexico and Africa mycofloras were discussed by Guzma´n in 1974 (Bol. Soc. Mex. Mic., 8) when he described Fistulinella from Mexico, a genus previously only known from Africa. The relationships New Guinea-Australia-Mexico were found when Guzma´n describde new species of Psilocybe from the Australasian region, whose are very close related to the Mexican tropical species of Psilocybe; they belong to the Section Brunneocystidiatae, only know in New Guinea-Australia and Mexico.
This paper is based in a discussion of the tropical and temperate Agaricales found recently in Mexico. The genera Boletus, Amanita, Cortinarius, Inocybe, Russula, Lactarius and others are very common in temperate forests (conifereus and oak forests), but the genera Marasmius, Schixophyllum, Panus, Psathyrella, Pluteus, Lepiota, Phlebopus, Fistulinella and others are typical in the tropical forests of Mexico. It is also discussed interesting species of Marasmius, Entoloma, Lacctarius, Amanita, Pleurotus and others growing in the tropical rain forests. Marasmius jalapensis, for instance, was described by Murrill from Jalapa (Mexico) in the begining of this Century, and recently was found in Africa by Pegler, and last year Guzma´n found it in a tropical rain forest of Yucatan peninsula at Mexico. Entoloma murrillii Hesler only known from Cuba, was recently found in a tropical forest in the Pacific slope of Mexico, but is uknown in the Gulf of Mexico coasts. Lactarius veraecrucis is only known in Mexico and Venezuela, in tropical forests. Guzma´n recently described new secies of Lepiota, Melanoleuca, Lepista, Amanita and Inocybe from the tropical forests of the SE of Mexico. The distribution and relationships of the Psilocybe in Mexico is also discussed.
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