(Hyphomycetes, Anamorphic fungi) from Cuba. Article (PDF Hongos anamórﬁcos / Cuba / hifomicetes / taxonomía. INTRODUCTION. PDF | Se registran por primera vez para México y se describen 10 especies de Hyphomycetes asociadas a restos vegetales, colectadas en diversas zonas. De líquenes se reportan especies (Breuss, ) y especies de hongos hyphomycetes (Delgado, ). A nivel de Centroamérica este grupo no ha.
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Several decaying palmae petioles mainly but also leaf litter, fruits and soil samples were collected in the vicinity of some rivers in the equatorial Amazon region of Ecuador and Peru. Although the number of taxa and studies are higher in Brazil than in other South American countries, no new species have been described until now.
Springer-Verlag, Berlin,p. The eminent Professor studied these fungi in several aquatic environments in the United Kingdom and other countries starting from 40’s, describing species that are now considered cosmopolitan 36, Micoflora de la hojarasca de Nothofagus dombeyi. However, among the aquatic Hyphomycetes there are species that produces sigmoid, fusiform, coiled and spherical conidia too, which are also dependent of the aquatic environment to complete their life cycle 22, Also the quality of the taxonomical descriptions and drawings must be improved.
Sutton were observed during the decomposition of leaves of Cedrela fissilis Vell. Handbook of Applied Mycology: Matsushima Mycological Memoirs no. In the tropics the richness of these fungi is probably influenced by the type of substrates, chemical and physical changes in the streams 35 as well as due complex interactions among several climatic and limnological hpyhomycetes 9, Hyphomycetes on Alchornea triplinervia Spreng.
On the same plant species, but in the reservation of “Horto Florestal Dr. The term “tetraradiate fungi”has been also frequently used to name this fungal group because many species produce conidia with a radiate or star-like shape, hyphomycetds by a central part, from which three or four arms are projected in divergent positions 18, Biodiversity of Tropical Microfungi.
How to cite this article. Thus, it has been considered that in the tropics, the analysis of the seasonal behavior of these fungi may be hongls difficult Springer Verlag, Berlin,p.
Hongos hyphomycetes de los municipios centrales del estado de Veracruz
Considering the dimension of the Continent, with the high variability of vegetation, habitats and abundance of rivers, streams and waterfalls, the number of aquatic Hyphomycetes in South America, around 90, is still very low. Many fungi with star-like conidia or considered aquatic were isolated but it is not clear if they were obtained from really submerged substrates.
Hong Kong University Press, p. Services on Demand Journal.
Dead leaves of Nothofagus dombeyi Mirb. As the aquatic Hyphomycetes has been characterized as one of the most active fungi in the mineralization of leaf litter, and consequently important dynamizers of the nutrient cycling in the aquatic environments, it has been considered relevant to increase the knowledge of the species diversity in terms of geographic distribution.
Mainly occurring in lotic systems, these fungi are considered to be one of the most active groups hphomycetes organisms in the decomposition of leaf litter, and play a crucial role in the trophic chain.
Fungal succession on leaves of Alchornea triplinervia Spreng.
On the other hand, some typical aquatic species such as Sporidesmium and Articulispora has been isolated from non aquatic environments. Buenos Aires Province, Argentina. New Hyphomycetes from Santiago River.
More recently 9 taxa were isolated from decomposing leaves of Miconia cabussu Besides, several other studies were performed at several localities in Argentina, involving the sampling of leaf litter or woody debris, from which many not typical aquatic fungi were isolated 3,4,11,12, Hyphomycetes decompositores do folhedo de Alchornea triplinervia Spreng.
There is an evidence that aquatic Hyphomycetes are able to degrade several plant cell polymers such as cellulose, hemicellulose, pectin 16 and probably lignin 35,40producing amylase, cellulase, pectinase, protease, pyrocatechol oxidase, triacyl glycerol lipase and xylanase 17,40, The Brazilian Amazonian region, where water bodies are plenty is still almost unknown. The Hyphomycetes were fully described and documented through excellent photographs and drawings.
Among the mycota associated with grass leaves, dicotyledoan leaf litter, wood and foam samples, 12 aquatic Hyphomycetes were reported in some streams and lakes in Tierra del Fuego The present review contents the check list of reported species until now, and has the aim to hyphomydetes the research concerned with aquatic Hyphomycetes in non explored regions of the continent.
Academic Press, London,p.
The group of the aquatic Hyphomycetes comprises fungi that produce conidia exclusively in the aquatic environment or in the interstitial water among soil particles. Aquatic Hyphomycetes, also named Ingoldian or freshwater fungi, constitute a group of anamorphic fungi that are typically hpyhomycetes, producing tetraradiate, sigmoid or spherical conidia on submerged plant debris leaf litter, petioles, bark, etc. Influence of nutrients concentration on the aquatic mycota hyphomycstes leaves submerged in a stream in the Atlantic rainforest.
Hongos saprobios en Chile: All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Darwiniana21 1: The authors observed 14 taxa of Ingoldian fungi, identified nine at specific level honogs documented their taxonomic features by spore drawings. Thus, some species were observed during fungal decomposition of leaves of Ficus microcarpa L.
The diversity of aquatic Hyphomycetes in South America
Hyphomycetes from leaf litter of Miconia cabussu in the Brazilian Atlantic Rain forest. In Brazil, as well as probably in other countries of South America, the interest of researchers and students in the taxonomy of aquatic Hyphomycetes has come from the observation of the species in ecological studies about leaf litter decomposition and fungal succession.
Hughes and Subulispora procurvata Tubaki were observed During the autumn in temperate climates, streams receive a great supply of tree leaves which may be densily colonize by a high diversity of aquatic Hyphomycetes 9.
Acta Botanica Brasilica, 11 2: B43 Initial colonization, nutrient supply, and fungal activity on leaves decaying in streams.