Ludwig Johann Christoph Beenken

Hydnum ellipsosporum is a species of fungus in the family Hydnaceae that was described from Germany in 2004. It differs from H. repandum by the shape and length of its spores, which are ellipsoid and measure 9–11 by 6–7.5 μm. Compared to H. repandum, it has smaller fruit bodies, with cap diameters ranging from 3 to 5 cm (1.2 to 2.0 in) wide.

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Austropuccinia is a monotypic genus of rust (a type of plant pathogen) native to South America with the only species Austropuccinia psidii, commonly known as myrtle rust, guava rust, or ʻōhiʻa rust. It affects plants in the family Myrtaceae. It is a member of the fungal complex called the guava rust (Puccinia psidii) group. The spores have a distinctive yellow to orange colour, occasionally encircled by a purple ring. They are found on lesions on new growth including shoots, leaves, buds and fruits. Leaves become twisted and may die. Infections in highly susceptible species may result in the

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