Amanita sp-LG1045

name

Amanita sp-LG1045

name status

cryptonomen temporarium

GenBank nos.

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accession	locus	voucher	source
EU071884	tef1	16.i.2002 Lisa Grubisha 1045 (UCB ?? as "A. cf. muscaria var. formosa” and “AM23” in (Geml et al. 2008))	J. Geml et al. (2008), Molecular Microbial Ecology Lab., Univ. Alaska, Anchorage
EU071858	beta-tubulin	17.i.2002 Lisa Grubisha 1066 (UCB ??, as "A. cf. muscaria" and "AM24" in (Geml et al., 2008))	J. Geml et al. (2008), Molecular Microbial Ecology Lab., Univ. Alaska, Anchorage
EU071962	nrITS	17.i.2002 Lisa Grubisha 1066 (UCB ??, as "A. cf. muscaria" and "AM24" in (Geml et al., 2008))	J. Geml et al. (2008), Molecular Microbial Ecology Lab., Univ. Alaska, Anchorage
EU071885	tef1	17.i.2002 Lisa Grubisha 1066 (UCB ??, as "A. cf. muscaria" and "AM24" in (Geml et al., 2008))	J. Geml et al. (2008), Molecular Microbial Ecology Lab., Univ. Alaska, Anchorage
EU071961	nrITS	16.i.2002 Lisa Grubisha 1045 (UCB ?? as "A. cf. muscaria var. formosa” and “AM23” in (Geml et al. 2008))	J. Geml et al. (2008), Molecular Microbial Ecology Lab., Univ. Alaska, Anchorage
EU071857	beta-tubulin	16.i.2002 Lisa Grubisha 1045 (UCB ?? as "A. cf. muscaria var. formosa” and “AM23” in (Geml et al. 2008))	J. Geml et al. (2008), Molecular Microbial Ecology Lab., Univ. Alaska, Anchorage

intro

Olive text indicates a specimen that has not been thoroughly examined (for example, for microscopic details) and marks other places in the text where data is missing or uncertain.

The following material is based on original research of R. E. Tulloss, J. Geml, and L. Grubisha.

pileus

40? mm wide, yellow to orange to pink, convex at first, planar in age; context ?; margin nonstriate; universal veil as central patch, more scale-like toward margin, white, ?.

lamellae

adnexed, ?, ?; lamellulae ?.

stipe

50 × 20 mm; context ??; bulb tapering downward somewhat; partial veil ?, detersile; universal veil ?.

odor/taste

not recorded.

macrochemical
tests

none recorded.

basidia

?? × ?? μm, dominantly 4- and occasionally 2-sterigmate, with sterigmata up to at least 5.5 × 1.5 μm; clamps present (plenitude not known).

universal veil

On pileus: filamentous undifferentiated hyphae 2.5 - 8.5 μm wide, branching, anastomosing, plentiful, dominating at upper surface, with wall ocassionally up to 0.5 μm thick, with some terminal segments slightly inflated; inflated cells plentiful to locally dominant, subfusiform to clavate to broadly clavate to ellipsoid (up to 80 × 42 μm) to globose or subglobose (e.g., 59 × 46 μm), terminal singly or in chains of up to at least three, occasionally with walls up to 0.8 μm thick; vascular hyphae not observed; clamps difficult to find. On stipe base: ??.

basidiospores

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[59/2/2] (10.0-) 10.1 - 13.3 (-15.3) × (6.3-) 6.8 - 8.9 (-10.4) μm, (L = 10.8 - 12.2 μm; L’ = 11.5 μm; W = 7.2 - 8.1 μm; W’ = 7.7 μm; Q = (1.29-) 1.39 - 1.59 (-1.65); Q = 1.49 - 1.50; Q’ = 1.50), hyaline, colorless, thin-walled, smooth, inamyloid, ellipsoid to (occasionally) elongate, infrequently broadly ellipsoid, sometimes expanded at one end, sometimes constricted, sometimes expanded at one end, adaxially flattened; apiculus sublateral, cylindric; contents dominantly monoguttulate ("oil drop" type), occasionally multiguttulate or granular; cream? or white or whitish in deposit.

ecology

Solitary. On gravelly soil in the "fog belt" or in unspecified soils and associated in both cases with young or mature Pinus muricata, Quercus, and Arctostaphylos.

material examined

U.S.A.: CALIFORNIA—Sta. Barbara Co. - Channel Islands Nat. Pk., Sta. Cruz Isl., Los Pinos del Sur ridge [33°59'01" N/ 119°36'00" W], 16.i.2002 Lisa Grubisha 1045 (UCB ?? as "A. cf. muscaria var. formosa” and “AM23” in (Geml et al. 2008)); Channel Islands Nat. Pk., Sta. Cruz Isl., first ridge with native P. muricata on tr. from Prisoner’s Harbor to Pelican Bay [33°59'01" N/ 119°49'00" W], 17.i.2002 L, Grubisha 1066 (UCB ??, as "A. cf. muscaria" and "AM24" in (Geml et al., 2008)).

discussion

This species is represented by Clade V of Geml et al. (2008: Fig. 1). In the phylogeny resulting from the research reported in that paper, this entity is a sister taxon to A. muscaria var. persicina—a similarly pigmented taxon with known range restricted to the southeastern United States.

The following figure provides a sporograph comparison between the sister taxa:

Much of the hymenium of Grubisha 1045 is immature and sterile. In Grubisha 1066, the subhymenium is too badly preserved to permit the location of clamp connections (to date). Grubisha 1066 is not associated with field notes.

citations

—R. E. Tulloss, J. Geml, and L. Grubisha

editors

RET

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