Public Description of Ganoderma megaloma (Lév.) Bres.

Title: Public Description (Default)
Name: Ganoderma megaloma (Lév.) Bres.
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Description status: Unreviewed

Taxonomic Classification:

Domain: Eukarya
Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Polyporales
Family: Polyporaceae

General Description:

Crust white, becoming brown, not separating, growing in temperate regions.

Spores smooth, 8-9 X 5


“it is near Polyporus applanatus in form, consistency and volume, but differs essentially in the color of the cap and the pores and especially in the presence of a wide sterile border circumscribing the tubes below.”

Elfvingia megaloma (Lév.) Murrill, Bull. Torrey Club 30: 300. 1903.

Pileus hard, woody, dimidiate, applanate, 6—15 X 8-30 X 1—4 cm.; surface milk-white to gray or umbrinous, glabrous, concentrically sulcate, encrusted, fasciate with obscure lines, conidia-bearing, usually brownish during the growing season from the covering of conidia; margin obtuse, broadly sterile, white or slightly cremeous, entire to undulate: context corky, usually rather hard, zonate, fulvous to bay, 5—10 mm. thick, thinner with age; tubes very evenly stratified, separated by thin layers of context, 5—10 mm. long each season, avellaneous to umbrinous within, mouths circular, 5 to a mm., whitish-stuffed when young, edges obtuse, entire, white or slightly yellowish to umbrinous, quickly changing color when bruised: spores ovoid, smooth or very slightly roughened, pale yellowish-brown, truncate at the base, 7-8 X 5-6 um.


HABITAT: Abundant on dead or diseased trunks or timber of most deciduous trees; also on conifers in certain sections.

DISTRIBUTION : Canada to the mountains of Alabama and west to California.

Exsiccati: Thum. Myc. Univ. I804 ; Rab.-Wint. Fungi Eur. 3736; Ellis, N. Am. Fungi 801 : Shear, N. Y. Fungi 34.

Description author: Erlon (Request Authorship Credit)

Created: 2014-12-08 23:02:44 CST (-0500) by Erlon (Herbert Baker)
Last modified: 2017-12-31 13:41:48 CST (-0500) by Erlon (Herbert Baker)
Viewed: 18 times, last viewed: 2016-03-31 07:20:16 CDT (-0400)