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Tulostoma niveumPhoto: Liz HoldenBack to the BAP list |
DescriptionGeneral: Very small white, more or less rounded head surmounting a tough white or yellowish stem; in small trooping groups on limestone rocks in moss tussocks.Dimensions: Spore sac x 0.5-0.9cm dia; stem 0.5-1.0cm tall x 0.05-0.2cm dia. Fruit Body: Peridium sub-spherical with small papillate projection perforated by an osteole; exoperidium white, not binding debris; papery endoperidium white becoming yellowish; borne on concolorous or yellowish stem, smooth or striate. Gleba pale brown or fawn. |
Spores: Pale yellowish, minutely warty, sub-spherical, non-amyloid, 5-7 µm. Basidia not seen. Chemical Tests: None. Occurrence: Early Winter to early Spring, fruit bodies soon collapsing. [Note: T. brumale is very similar but occurs in sand dunes and dune slacks.] |
| Qualifying criterion: 1: internationally threatened species |
| Justification: threatened in over 50% of the countries in its European range |
| Threats: increase in tree cover through reduction in grazing and afforestation |
| Action Required: Survey and monitoring; protection against habitat loss and degradation; ecological assessment. |
Statistics:UK (excluding NI & CI) fungus records |
Total records: 22 |
| Earliest recording: 1989 | |
| Latest recording: 2006 | |
| Vice Counties and (frequency): 92(13); 105(1); 108(8) | |
| Pre-1960: 0 records | |
| NBN Gateway grid map | Post-1960: 22 records |