Mycorrhizas of tropical mountain forests

The cavendishioid mycorrhiza of Andean ericads

A great surprise was the finding of a new ectendo-mycorrhizal type formed by the Andean ericads with diverse Sebacinales, a basal group of hymenomycetous Basidiomycota [69,70].

Section through the cavendishioid mycorrhiza formed by Psammisia guianensis, an Andean ericad, displaying a hyphal sheath (HM), and inter- (HN) and intracellular hyphae (IZ) in the root cortical cell layer (RZ) of Sebacinales. EnZ: endodermal cell. [first published in 70].

Flowering Cavendishia nobilis [Ericaceae] in the cloud forest. Photo: I. Kottke

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Epiphytic orchids form mycorrhizas with Tulasnellales and Sebacinales

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