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 Add this item to the list   Xenasmatella allantospora Oberw.
Page number:372 
Description type:Culture description 
Description:Xenasmatella allantospora Oberw.
Culture characters (GB 372, 1315): Fig. 1I, 3A
Aerial mycelium slightly cottony - subfelty. Advancing zone a little bayed and fringed, appressed. Hyphae thin-walled, sparsely branched in the margin, frequently simple septate, 0.8-1.5 um wide; hyphae in old parts of the mycelium with clamps at all septa, the clamps are often characteristically flattened, hyphae up to 2 µm wide, frequently densely ramified, with scattered swellings. Brown resinous residues in agar (old parts of mycelium).
Colony radius 8 mm after 6 weeks.
Code: 2a. (2b). 3i. 11. 26. 32. 36. 48. 47. 54. 55. (60). 61.
Oxidase reactions: Syringaldazine, 1-Naphtol, Gum Guaiac, Guaiacol positive. p-Cresol and L-Tyrosine negative, except for GB 372 (L-Tyrosine positive).
Polarity: Heterothallic, tetrapolarity indicated (GB 1315).
Cytology: SS-mycelia with uninucleate cells, PS-mycelium regularly dicaryotic.
Nuclear behaviour: Normal.
GB 254/ Pinus/ Denmark, Jylland/ 1/2.
GB 372/ Picea/ Austria, Steiermark/ 3 SS. GB 399/ Picea/ Austria, Steiermark/ 3/5.
GB 442/ deciduous wood/ Sweden, Vastergotland/ 6/9. GB 1315/ deciduous wood/ Sweden, Gotland/ 1,6/7; 4/3.
Compatibility was demonstrated between GB 372, GB 399, GB 442, and GB 1315. All these specimens were incompatible with GB 254 (16 negative confrontations recorded).
No noticeable morphological differences were observed between the fruitbodies. Spore sizes (when measured from spore prints) varied minutely between the specimens but all were within the limits 4-6 x 1.5-2 um.
All specimens were found on decayed, decorticated wood either of coniferous or deciduous trees. The habitats were coniferous forests except for GB 1315 (Fraxinus-BetulaQuercus forest) and GB 254 (mixed forest on the sea-shore). The major compatibility group should be referred to as "type A" while GB 254 is "type B".
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