Comprehensive Description

provided by North American Flora
Physarum globuliferum (Bull.) Pers. Syn. Fung. 175. 1801
Sphaerocarpus globulifer Bull. Hist. Champ. Fr. 134. 1791. Stemonitis globulifera J. F. Gmel. Syst. Nat. 2: 1469. 1791. Trichia globulifera DC. Fl. Fr. 2: 253. 1805. Diderma globuliferum Fries, Syst. Myc. 3: 100. 1829. Physarum Petersii a Farlowii Rost. Monog. Append. 6. 1876. Didymium subroseum Peck, Ann. Rep. N. Y. State Mus. 28: 54. 1876. Physarum albicans Peck, Ann. Rep. N. Y. State Mus. 30: 50. 1878.
Physarum columbinum Macbr. Bull. Nat. Hist. Univ. Iowa 2: 384. 1893. Not P. columbinum
Pers. 1795, nor P. columbinum Somm. 1826. Cytidium globuliferum Morgan, Jour. Cine. Soc. Nat. Hist. 19: 10. 1896. Physarum relatum Morgan, Jour. Cine. Soc. Nat. Hist. 19: 26. 1896.
Sporangia stipitate, gregarious, often in extensive colonies, sometimes united in clusters, globose or slightly depressed, 0.4-0.7 mm. in diameter, 0.6-1.5 mm. tall, white or pale ochraceous; peridium membranous, bearing crustose patches of lime granules; stipe subulate, slender, wrinkled, brittle, calcareous, white, yellowish, or reddish, usually exceeding the sporangium; columella short, conic or blunt; hypothallus scanty, inconspicuous; capillitium dense, delicate, persistent, the nodes small, rounded, white, many of the junctions limeless; spores dark grayishbrown in mass, violet by transmitted light, minutely warted, the warts in indistinct clusters, 7-9 n in diameter; Plasmodium yellow.
Type locality: France.
Habitat: Dead wood.
Distribution: Throughout North America; cosmopolitan.
bibliographic citation
George Willard Martin, Harold William Rickett. 1949. FUNGI; MYXOMYCETES; CERATIOMYXALES, LICEALES, TEICHIALES, STEMONITALES, PHYSARALES. North American flora. vol 1. New York Botanical Garden, New York, NY
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