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''Scytinostromella'' is a genus of crust fungi in the Stereaceae family. The widespread genus contains five species. The genus was circumscribed by Estonian mycologist
Erast Parmasto Erast Parmasto (28 October 1928 – 24 April 2012) was a noted Estonian mycologist, bioscientist and botanist and onetime director of the Estonian Institute of Zoology and Botany. Parmasto was born in Nõmme. He became a member of the Estonian I ...
in 1968, who set ''Peniophora heterogenea'' as the type species. Characteristic features of the genus include dimitic
hypha A hypha (; ) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium. Structure A hypha consists of one or ...
e,
spore In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...
s that are both amyloid and asperulate (roughened by many small points or warts), and the presence of cystidia and
rhizomorph Mycelial cords are linear aggregations of parallel-oriented hyphae. The mature cords are composed of wide, empty vessel hyphae surrounded by narrower sheathing hyphae. Cords may look similar to plant roots, and also frequently have similar functio ...
ic strands.


References

Russulales genera Stereaceae {{Russulales-stub