Truffle Genus: Ruhlandiella

Ruhlandiella berolinensis
Ruhlandiella berolinensis
ascospores
scale = 10 µm
Kingdom: Fungi
Phylum: Ascomycota
Order: Pezizales
Family: Pezizaceae

Spore Characters

The one known species has pale brown, globose, reticulate spores, 17-21 µm in diameter, excluding ornamentation. It cannot be differentiated from Peziza on the basis of spore characters alone. It can also be confused with reticulate-spored species of Elaphomyces or Scleroderma.

View photos of Ruhlandiella spores

Sporocarp Characters

Shape and Size: Hemispheric to globose, convoluted-cerebriform, 3 cm broad.
Peridium: Lacking, the sporocarp surface is white to pale brown from a superficial hymenium of gelatinous-sheathed paraphyses and asci.
Gleba: Lacking, the basal tissue instead supports the outer hymenial surface.
Odor: Not recorded.

View photos of Ruhlandiella sporocarps

Name Derivation

Named by German botanist Paul Christoph Hennings (1841-1908) (1903) in honor of the collector of the type specimens, German mycologist Wilhem Otto Eugen Ruhland (1878-1960).

Distribution

Germany, California, Canary Islands, and Tasmania in association with ectomycorrhizal members of the Myrtaceae.
Season: Winter through early summer.
Species known from North Temperate Plantations: One, but it is associated with Eucalyptus and Melaleuca spp., and probably introduced from Australia (Dissing and Korf, 1980).

Keys and Descriptions

Dissing and Korf (1980).