Roseograndinia rosea

Roseograndinia rosea has a rosy to reddish surface with a grandinoid (as if covered with small granules) to odonotoid (as if covered with small teeth) texture. Microscopic characteristics include the lack of clamp connections in the hyphae, and the absence of cystidia. Its spores are thin-walled, roughly spherical to elliptical, and inamyloid, measuring about 4–5 by 3 μm. The basidia (spore-bearing cells) are narrowly club shaped to tubular, and measure 25–30 by 5 μm. Roseograndinia has a monomitic hyphal system, containing only generative hyphae.

Roseograndinia rosea is a white rot fungus that grows on the bark on woody substrates. It was reported from New Zealand in 1992, where it was found growing on the endemic species New Zealand laurel (Corynocarpus laevigatus), as well as Australian blackwood (Acacia melanoxylon), a tree introduced from Australia.

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