Genea harknessii, commonly known as the dark geode truffle,[1] is a species of fungus in the genus Genea. The species was described by Helen Gilkey in 1916.[2] The mature fruit has a convoluted, brain-like appearance and often is no larger than an adult's thumbnail. The exterior is dark brown (to nearly black) with a hollow interior. The flesh between the dark interior and exterior 'skin' is white to pale grey.
| Genea harknessii | |
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| Genea harknessii spores | |
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| Species: | G. harknessii
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| Genea harknessii Gilkey 1916
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G. harknessii grows underground in forests, especially white oak forests, but also in coniferous forests.[3]
References edit
Genea harknessii | |
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 | Smooth hymenium |
 | Hymenium attachment is irregular or not applicable |
| | Lacks a stipe |
 | Ecology is mycorrhizal |
 | Edibility is unknown |
- ^ Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
- ^ Gilkey, Helen (1939). Tuberales of North America. Corvallis, OR: Oregon State University. p. 20. ISBN 9780598544476.
- ^ "Fruiting patterns and habitat associations of PNW truffles". www.natruffling.org. Retrieved 2021-01-12.
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