Phylum:Myxomycota >> Class: Myxomycetes >>  Order: Trichiales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Trichia botrytis

Trichia botrytis (J. F. Gmel.) Pers., Neues Mag. Bot. 1: 89. 1794.

Stemonitis botrytis J. F. Gmel., Syst. Nat. 2: 1468. 1791.

 Description: Fructification sporangiate, gregarious or clustered with 2-3 in an aggregation, 1.0-1.3 mm in total height. Sporangia stipitate, obovate, turbinate, or pyriform, purplish brown, becoming almost black when aged, veined with pale bands of dehiscence, 0.52-0.56 mm in diameter. Peridium double, the outer layer opaque, thick, purplish brown, the inner layer membranous, translucent, appeared as paler (ochraceous) and reticulate bands above before dehiscence. Stalk cylindrical, thick, 0.48-0.60 mm long, blackish brown and lighter near the top, usually 2-3 united to form a cluster. Hypothallus continuous, dingy brown. Capillitium yellowish brown, consisting of short threads of elaters, the elaters 4-5 μm in diameter at the widest middle part, tapering gradually to the long, slender, acuminate tips, compactly surrounded by 3-4 smooth spiral bands. Spores ochraceous yellow in mass, pale yellow by transmitted light, minutely warted, 8.0-9.5(-11) μm in diameter. Plasmodium purple-brown.

Taipei City: Chihsing Mt., 2 Mar 1982 (bark collected on 1/19/1982), CHL B31.Taipei County: Shihliufentzu, 15 Jan 1990, BY501M112A.

 Habitat: On bark of living trees (Cryptomeria japonica D. Don, Pinus luchuensis Mayr), from moist-chamber cultures.

Widely distributed in temperate region. Australia, Europe, North America, South America, New Zealand, Chile, India, China, Japan, Taiwan.


Martin, GW and Alexopoulos, CJ. 1969; Chiang, YC and Liu, CH. 1991.


C. H. Liu

 Note: The reticulate pattern of the peridium on the upper part of the sporangium, thick and blackish brown stalk, smooth capillitium with long, acuminate tips, and ochraceous yellow spore mass are distinct characters.