Amanita sp-N52

name

Amanita sp-N52

name status

cryptonomen temporarium

GenBank nos.

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accession	locus	voucher	source

intro

The following is based on original research of R. E. Tulloss and C. Rodríguez Caycedo.

pileus

at least 65^± mm wide, grayish brown in field photograph, uniformly dark slate gray as seen in lab, virgate, slightly concave; context predominantly white; margin striate (0.35^±R), with rather widely spaced striations, nonappendiculate; universal veil as white "smears" of variable thickness (possibly indicating volval attachment to pileipellis persisting during expansion resulting in tearing away lower portion of volval material in irregular manner).

lamellae

close, sordid; lamellulae ??, of diverse lengths, ??.

stipe

110^± × 9^± mm, gracile, white, decorated with concolorous pulverulence from apex to top of volval limb; context white; exannulate; universal veil as saccate volva, membranous, proportionately short (26^± × 19^± mm), with rather dry white outer surface suggesting an eggshell, with limb dividing into two main rounded lobes.

odor/taste

not recorded.

macrochemical
tests

none recorded.

partial veil

absent.

basidiospores

send to graphing tool

[40/1/1] (8.0-) 8.2 - 10.6 (-14.0) × (6.5-) 7.1 - 9.5 (-10.8) μm, (L = 9.3 μm; W = 7.7 μm; Q = (1.10-) 1.13 - 1.33 (-1.39); Q = 1.21), hyaline, colorless, thin-walled, smooth, inamyloid, broadly ellipsoid to ellipsoid, adaxially flattened; apiculus sublateral, cylindric; contents monoguttulate, with or without additional small granules; white in deposit.

ecology

Pennsylvania: At ca. 360 m elev. In mixed forest including Quercus, Tsuga canadensis, and Pinus.

material examined

U.S.A.: PENNSYLVANIA—Clarion Co. - Bigley, St. Game Lands 72, [41.1408° N / 79.2306° W, 362 m], 6.viii.2011 Ronald Pastorino s.n. [Tulloss 8-16-11-F] (RET 478-9).

citations

—R. E. Tulloss and C. Rodríguez Caycedo

editors

RET

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name	Amanita sp-N52
name status	cryptonomen temporarium
author	Tulloss
images	1. Amanita sp-N52, rather distant marginal striations 2. Amanita sp-N52, NAMA 2011, Clarion Co., Pennsylvania, U.S.A.
photo	Ronald Pastorino - (1-2) NAMA 2011, Clarion County, Pennsylvania, U.S.A.

Spore Measurements by Collection