Rhodocollybia laulaha is a species of fungus in the family [[ Omphalotaceae]]. Found in Hawaii, it was described as new to science in 1999 by mycologists Dennis Desjardin, Roy Halling, and Don Hemmes. The fruitbodies have caps that are 3 to 8 cm (1 to 3 in) in diameter, bell-shaped to convex in shape, and light brown (young specimens) to grayish orange or orange-white (old specimens). Gills have an adnexed attachment to the stipe, and are narrow and very crowded together. The stipe is 3 to 8 cm (1 to 3 in) long by 0.6 to 0.7 cm (0.24 to 0.28 in) thick. The specific epithet laulaha—Hawaiian for "widespread"—refers to its widespread distribution and common appearance on the Hawaiian Islands.

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