Phylum:Zygomycota >> Class: Zygomycetes >> Order: Mucorales | ||||
BCRC Number: | 32490 | |||
Scientific Name: | Mucor racemosus f. sphaerosporus | |||
Author: | Mucor racemosus Fresenius f. sphaerosporus (Hagem) Schipper, Stud. Mycol. 12: 23. 1976. Basionym: Mucor sphaerosporus Hagem, Untersuchungen uber norwegische Mucorineen I, P. 22. 1908. |
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Description: | Colonies pale-yellow, up to 1 mm in height, filling Petri dish at 20°C in 5 days; sporagniophores erect, 5.0-10.0 μm in diam, branched repeatedly or sympodially, very short arising from the substrate; sporangia globose, white or pale-yellow at first then gray black to black at maturity, tall sporangia 70.0-80.0 μm in diam, short sporangia 40-55 μm in diam, walls of sporangia slowly diffluent, persistent, incrusted; columellae globose to ellipsoidal or obovoid, usually with truncate base and collars, 10.0-25.0 v 15.5-27.5 μm, faintly; sporangiospores mostly globose or ovoid, 3.9-4.9 s 3.9-5.9 μm; growth from 5°C to 37°C, optimum growth temperature at 20°C to 30°C, sporulation from 10°C to 30°C. | |||
Specimens: | BCRC 32490, from soil, Taiwan, Taipei. |
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Habitat: | wood, wood block in cellar, soil, dung of mouse, storage rot in Cucurbita maxima, steamed sweet potato, sausage, 'Brühwurst', cheese, dung, soil, litter, salt marsh. | |||
Distribution: | worldwide distribution. |
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References: | Domsch, KH et al. 1980; Liou, GY et al. 1993; Schipper, MAA 1976. |
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Provided: | C. Y. Chien and G. Y. Liou |
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Note: | This species is distinguished by repeated branching of the sporangiophore, smooth columellae and subglobose sporangiospores. | |||