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Page number:65 
Remarks (internal):Variation in color of the basidiocarps of this species is too great to be distinctive, but the large swollen hyphae and small spores are characteristic. Poria reticulata is often similar macroscopically, but has much larger spores and is usually cupulate at the margin. Poria purpurea has purplish basidiocarps but also has much larger spores. Poria tarda is also similar but has much narrower hyphae, which range 3-5 µm; in diameter 
Description type:Non-original description 
Description:Poria rhodella (Fr.) Cke., Grevillea 14 µm; 1 10. 1886.
Polyporus rhodellus Fr., Syst. Myc. 1: 380. 1821.
Polyporus viridans Berk. & Br., Ann. Mag. Nat. Hist. III, 7: 379. 1861.
Descriptlon of basidiocarps
Basidiocarps annual, effused up to 7 mm, soft, easily mashed, easily separable; margin narrowly sterile, whitish to pale pinkish-tan or purplish, floccose, up to 1.5 mm wide; pore surface cream-colored, pinkish, or orange-tan, the pores circular to angular, 5-7 per mm, with thick and entire dissepiments that become thin and slightly lacerate with age; context ivory to tan, soft, azonate, less than 1 mm thick; tube layer continuous and concolorous with the context, up to 0.5 mm thick; taste mild.
Context hyphae hyaline in KOH, very thin-walled, often branched, simple-septate, often swollen at the septa, 4-7 µm in diam; tramal hyphae similar, 3-4.5 µm in diam; hymenial layer 11-12 µm; thick; basidia clavate, 10-11 x 4-5 µm; µm; cystidia none; spores hyaline, smooth, short-cylindrical, often slightly curved, 3.5-4 x 1.5-2 µm (Fig. 2, C).
Substratum and rot: Associated with a white rot of Alnus and Populus.
 
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