Microporellus obovatus (Jungh.) Ryvarden 1972

Polyporus tuba Berk. & Curt. Jour. I,inn. Soc. 10 : 305. 1868
Pileus cup-shaped, like a Peziza^ with a very long stipe, and very thick for its size, 1-1.5X0-5-1 cm.; surface white, yellowish-brown when dry, glabrous, smooth or radiaterugose ; margin abruptly acute, entire, slightly revolute when dry : context pallid, firm, not elastic, 5 mm. or more thick; tubes decurrent, short, yellowish, mouths small, 4 to a mm., edges thin, at length elongate : spores not examined: stipe slender, central, dilated above, concolorous, rough, striate, tough, 3-4 cm. long, 2-4 mm. thick.
Type locality : Cuba.
Habitat : On dead wood.
Distribution; Known only from the type locality.

Microporellus porphyritis (Berk.) Murrill
Polyporus porphyrias Berk. Jour. Bot. & Kew Misc. 8 ; 196. 1856.
Pileus thin, coriaceous, flabelliform, 4-5 X 5-6 X 0.1-0.3 cm. ; surface pelliculose, ochraceous to light-bay, zonate, glabrous ; margin thin, ochraceous, undulate : context fibrouscorky, 1-1,5 mm. thick, pallid; tubes short, less than 1 mm., mouths minute, 5-6 to a mm., pallid to discolored, very regular, subangular, edges thin, entire, at first obtuse, becoming acute : spores not examined : stipe variable, short, slightly lighter than the pileus, 5-10 mm, long, 5-8 mm. thick, resembling the pileus in surface and substance.
Type locality : Panure, Brazil, Habitat : Dead wood. Distribution: Cuba; also in Brazil.

Microporellus obovatus is a species of poroid fungus in the family Polyporaceae. It has been found in French Guiana, Guadeloupe, various locales in Africa, India, and the United States.

Microporellus obovatus je grzib, co go nojprzōd ôpisoł Franz Wilhelm Junghuhn, a terŏźnõ nazwã doł mu Leif Ryvarden 1972. Microporellus obovatus nŏleży do zorty Microporellus i familije Polyporaceae. Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.