Chytriomyces hyalinus Karling, Amer. J. Bot. 32:363. 1945.
Description：
On pine pollen: Sporangium epibiotic or interbiotic, spherical, 17-28 μm in diameter, or ovoid, operculum apical or subapical, 7.5 μm in diameter. Rhizoid's main axis 5 μm in diameter at base. Zoospores spherical 5-6 μm, contains a small hyaline refractive globule, emerging slowly and swarming in a vesicle one minute before dispersing; soon begin to move and jerk about slightly, and within a few seconds active swimming begins. Resting spores spherical, 10-17.5 μm in diameter, with a smooth, thick, brownish wall, containing a large refractive globule surrounded by several smooth ones.
On 1/4YpSs agar: Sporangium usually spherical, 25-60 μm, operculum apical or subapical, with globular hyaline area below apex, 12-20 μm in diameter. Mature sporangial wall is not smooth. Rhizoids well-developed, main axes 5-17.5 μm in diameter at base, extending for distances over 300 μm. Resting spore develops from the fusion body formed at the point of rhizoidal anastomosis. Color of colony salmon-colored.
In 1/4YpSs slush: Sporangium ovate, obpyriform 55-62 × 70-80 μm, or spherical 35-65 μm in diameter. Rhizoids much-branched and arising from globular or tubular apophysis, 3-7 μm , or non-apophysate. Empty sporangium exhibits a flap operculum.
Specimens：
Taiwan. Yilan: Shuanglienpyi, pond water, 23 Feb. 1994, NTNU 604b; Hapen, pond water, 11 Apr. 1993, NTNU 811a; Taipei: Chingnien garden, water from lake, 18 Apr. 1993, NTNU 1201c; Pinglin, stream water, 16 Dec. 1993, NTNU 2101c; Hsiaowulai, stream water, 3 Jan. 1995, NTNU 2401b. Isolated on pine pollen, grass leaves and snake skin from water samples.
Habitat：
Fresh water.
Distribution：
Brazil, USA, Northwest Africa, South Africa, Japan, Taiwan.
References：
Chen, SF and Chien, CY. 1995; Karling, JS. 1945.
Provided：
S. F. Chen
Note：
This species are collected from a variety of baits and easily isolated and cultured, unlike Karling reported (1945) that it is chitinophyllic. Sporangium operculate, but as the zoospores emerge, the low inconspicuous operculum was pushed off to one side of the sporangium and usually disappeared. Sexual reproduction is by anastomosis of rhizoids of two contributing thalli.
Phylum：Chytridiomycota >> Class： Chytridiomycetes >> Order： Chytridiales 
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