FIGURE 1 in Serendipita officinale sp. nov. (Serendipitaceae): a new species of orchid mycorrhizal fungus

FIGURE 1. Morphological features of Serendipita officinalesp. nov. a, b: Colonies on PDA after 14 and 30 days; c: aerial mycelium; d: Transmission electron micrograph showing monilioid hyphae with a septate (arrows); e: DAPI-stained hyphae (n = nuclei; S = septa); f & g: Micrograph and scanning electron micrograph of hyphae on the agar surface showing typical hyphal coils; h: Branched monilioid cell chains under microscope; i: Monilioid hyphae under scanning electron micrograph; j: Scanning electron micrograph showing chlamydospores in the roots of Dendrobium officinale; k: Micrograph showing chlamydospores in the roots of Dendrobium flexicaule. l: Transmission electron micrograph of the dolipore septum with a flat and imperforate parenthesome (arrow) as typical for members of the Sebacinales.