E-Flora BC: Electronic Atlas of the Flora of British Columbia

Tremella globispora D.A. Reid
no common name
Tremellaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi
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Distribution of Tremella globispora
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Species Information

Summary:
Tremella globispora produces a small, whitish to light ocherish, soft, gelatinous fruitbody that is wrinkled or has brain-like markings, and hangs from the underside of s small twig like a colorless watery droplet. Growth starts in dead fruitbodies of pyrenomycetes, with emergence of the fruitbodies as small pustules. It is found in BC (Ginns). It is "a commonly encountered species of jelly fungus in southwestern BC", and is also reported from the USA, France, Germany, and Czechoslovakia, (Brough), Switzerland (Breitenbach), and the United Kingdom (Reid).
Fruiting body:
0.4-0.5cm in diameter, by confluence reaching 1cm, hanging from undersides of small twigs as transparent-watery droplets, surface marked with cerebriform [brain-like] markings or wrinkles, on drying forming inconspicuous varnish-like film, (Reid), 0.2-0.5
Microscopic:
spores 6-7.5 x 5-7 microns, nearly round to broadly oval, smooth, colorless, iodine stains the cytoplasm brown; hypobasidia 12-16 x 11-13 microns, nearly spherical, longitudinally (rarely transversely) septate, with 4 epibasidia; hyphae 1.5-4 microns wide, with granular contents, septa with clamp connections, some hyphae moniliform to catenulate, septa without clamp connections, according to Pilat breaking apart into individual components (conidia), (Breitenbach), spores (5)6.2-8.2(10.2) x 5.75-7.2(9.75) microns (from deposit, excluding the well-developed apiculus), nearly round, appearing slightly dorsiventrally compressed, thin-walled, colorless; basidia consisting of a globular head, 10-18 x 9-13 microns, which becomes divided into 4 segments by irregularly disposed oblique walls, and elongated stalk (from very short or lacking to 23 microns long), with a basal clamp connection, but without septum separating head from stalk; basidia arise at different levels and are at different stages of development; dikaryophyses absent; hyphae 2-3 microns wide, agglutinated, colorless, thin-walled, with clamp connections; the perithecia of the Diaporthe are often rather indistinct or ghost-like, and the Tremella fills and envelops them, (Reid), spores (6)7-9(10) x (6)7-9(10) microns, nearly round, one-celled, smooth, colorless, germination by budding or repetition; probasidia 20-40(150) x (10)12-16(20) microns, cruciate-septate with oblique septa, epibasidia cylindric, (1.5)2(3.5) microns wide, in some cases reaching over 100 microns in length; no visible penetration of hyphal strands of T. globospora through the walls of host perithecia, asci and ascospores left within the infected perithecia are infrequent, (Brough)

Habitat / Range

reported on hardwood and conifer wood, but mycoparasitic on Diaporthe species, (Ginns), "gregarious and often covering entire branches", "on dead fruiting bodies of pyrenomycetes, especially Diaporthe and Eutypella, commonly on twigs of Quercus (oak) and Castanea (chestnut) in piles of branches which are one year old", (Breitenbach), constantly associated with perithecia of a Diaporthe deeply immersed in the wood (Reid), appearing in southwestern BC throughout the year, but most conspicuous during or shortly after a heavy rain, associated with Valsa and Diaporthe on dead stems or branches of Rubus spectabilis (salmonberry), Sambucus pubens (red elderberry), Vaccinium ovalifolium (oval-leaved blueberry), Salix (willow), Acer circinatum (vine maple), Alnus rubra (red alder), Cornus nuttallii (Pacific dogwood), Tsuga heterophylla (Western Hemlock), Pseudotsuga menziesii (Douglas-fir), and on dead foliage of Thuja plicata (Western Red-cedar), (Brough), all year (Buczacki)

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

Additional Photo Sources

Related Databases

Species References

Breitenbach(2)*, Reid(3), Brough(1), Ginns(5), Buczacki(1)*

References for the fungi

General References