Phylum:Myxomycota >> Class: Myxomycetes >>  Order: Trichiales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Arcyria pomiformis

Arcyria pomiformis (Leers) Rost., Mon. 271. 1875.

Mucor pomiformis Leers, Fl. Herborn. 284. 1775.

 Description: Fructifications sporangiate, scattered or in small clusters, 0.92-1.54 mm in total height when expanded. Sporangia stipitate, pyriform to broadly cylindrical, ochraceous, 0.27-0.51 mm in diameter at the broadest base, 0.42-0.55 mm long and 0.5-0.7 mm when expanded. Calyculus yellowish brown, plicate. Stalk ochraceous, cylindrical, smooth or longitudinally plicate, filled with spore-like vesicles, 1/3-1/2 the total height. Hypothallus circular, membranous, pale yellowish. Capillitium elastic, persistent, ochraceous, the capillitial threads 2.5-4.0 μm in diameter with few free ends, marked with cogs, transverse bands and rings. Spores ochraceous in mass, pale yellowish by transmitted light, globose, 8-9 μm in diameter, smooth with a few scattered warts under high dry lens, minutely warted under oil immersion.

Taipei City: NTU campus, 21 Aug. 1997, CHL B1265. Hsinchu County: National Ching-hua University, 11 July 1990 (moist-chamber culture: 7/5~7/11/1990), BY784M220d. Pingtung County: Wan-li-tê Mt., 8 June 1996, Y.F. Chen 247.

 Habitat: On bark of Pinus elliotii Engelm, stump, or leaf litter.

Europe, North America, South America, West Pakistan, South Africa, China, Japan, Taiwan.


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


C. H. Liu

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