Taxonomy, ecology, and biogeography of polypores (Basidiomycetes) from Argentinian Polylepis woodlands

Abstract

Twenty-three polypore species were found in Polylepis Ruiz & Pav. (Rosacecae) woodlands from Argentina. Six species occur exclusively in the neotropics and four are host-specific to Polylepis ( Phellinus tabaquilio , Phellinus uncisetus , Phellinus daedaliformis , and Datronia orcomanta ), of which the first two are facultative parasites or occur during the early stages of wood decay. Host specificity and patterns of distribution vary among species. Datronia orcomanta Robledo & Rajchenb. is described as a new endemic taxon and Inonotus serranus is reduced to synonymy with Inonotus venezuelicus .

Wood-decaying Agaricomycetes (Basidiomycota, Fungi): new records for the state of Santa Catarina, Brazil

“…It differs from I. jamaicensis mainly by the absence of a blackish thin crust and by having ellipsoid to ovoid larger basidiospores. In our material, the basidiocarp was effused-reflexed, as reported by Gottlieb et al (2002) and Robledo et al (2006), whereas Ryvarden (1987) and Baltazar et al (2010) described it as typically resupinate. Molecular studies will be necessary to clarify the taxonomy of these species.…”

“…Ryvarden (2005) and Rajchenberg & Wright (1998) reported longer basidiospores (6.5-7.3 × 4.4-5.0 μm vs. 5.0-6.0(-7.0) × 3.5-4.5(-5.0) μm in our material). Granular core and sclerified hyphae have not been found, coinciding to Baltazar et al (2010) Robledo et al (2006). Distribution -Neotropical.…”

Ecological aspects of Hymenochaetaceae in an area of Caatinga (semi-arid) in Northeast Brazil

“…Nine were identified to the specific level, while the others were treated as morpho-species. To date, eight species of Despite the number of Hymenochaetaceae found in this study being slightly lower than that reported for the entire Brazilian semi-arid region, it can be considered relatively high when compared to other low-diversity and/or lowprecipitation ecosystems in Latin America: Góes-Neto et al (2000) reported 10 species of Hymenochaetaceae in a semi-deciduous seasonal tropical forest in the Northeastern region of Brazil, where the annual precipitation varies from 800 to 1,200 mm; Lindblad (2001a) cited 13 species of Hymenochaetaceae from a tropical dry forest in Costa Rica, where the annual precipitation varied from 915 to 2,558 mm; Urcelay and Robledo (2004) reported only one species of Phellinus in Alnus (Betulaceae) forest of Argentina; and Robledo et al (2006) reported eight species of Hymenochaetaceae in Polylepis (Rosaceae) forests in the Argentinean Andes, where the annual precipitation varied from 300 to 1,000 m. The number of species recorded for the Caatinga (14) can be considered similar to that reported by Góes-Neto et al (2000) in an area with comparable precipitation and higher than the observed by Lindblad (2001a) in an area of dry forest with high precipitation. Although none of the 14 species of Hymenochaetaceae are endemic for the Caatinga, this research supports the studies that indicated that the biodiversity in this biome is not low (Prado 2005;Silva et al 2005;Queiroz 2006).…”

“…Góes-Neto et al (2000), , Urcelay and Robledo (2004), Robledo et al (2006), and Gibertoni et al (2007) reported the occurrence of lignicolous fungi on live substrata and suggested these fungi to be in facultative or obligatory parasitic relationships, although statistical analyses were not used in these studies. However, some species are restricted to dead parts of live plants, and do not invade or cause damage to the tissues of live host, while others aggressively attack the live plant causing its death (Gilbertson 1980;Lindblad 2001a;Gilbert and Sousa 2002;).…”

“…Some published ecological studies have focussed on Aphyllophorales in the tropics (Lodge and Cantrell 1995;Nakasone 1996;Góes-Neto et al 2000;Lindblad 2000Lindblad , 2001aGilbert and Sousa 2002;Urcelay and Robledo 2004;Robledo et al 2006;Gibertoni et al 2007;Gilbert et al 2008). There are few studies, however, on the diversity of lignicolous Aphyllophorales in the Caatinga, a biome found exclusively in Brazil (Torrend 1940;Góes-Neto 1999;Maia and Gibertoni 2002;Góes-Neto et al 2003;Góes-Neto and Baseia 2006;Drechsler-Santos et al 2007, 2009, and none of those considered ecological relationships of this group of fungi with native plant species in the Brazilian semi-arid regions.…”