name | Amanita alaskensis | ||||||||||||||||||||||||||||
author | Tulloss, Kudzma, Geml & Kranabetter | ||||||||||||||||||||||||||||
name status | nomen provisorum | ||||||||||||||||||||||||||||
english name | "Alaskan Alder Ringless Amanita" | ||||||||||||||||||||||||||||
etymology | Alaska + -ensis ("occurring in") | ||||||||||||||||||||||||||||
GenBank nos. |
Due to delays in data processing at GenBank, some accession numbers may lead to unreleased (pending) pages.
These pages will eventually be made live, so try again later.
| ||||||||||||||||||||||||||||
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 J. M. Kranabetter, L. V. Kudzma, and R. E. Tulloss. Part of the molecular work was done at the Univesity of British Columbia. | ||||||||||||||||||||||||||||
pileus | ?? mm wide, ??; context ??; margin with very short striations; universal veil as small, grayish, crumb-like, friable warts. | ||||||||||||||||||||||||||||
stipe | ??, decorated with fraible, gray material of the universal veil; context ??; exannulate; universal veil gray, friable. | ||||||||||||||||||||||||||||
odor/taste | Odor and taste not recorded. | ||||||||||||||||||||||||||||
macrochemical tests |
none recorded. | ||||||||||||||||||||||||||||
partial veil | absent. | ||||||||||||||||||||||||||||
lamella edge tissue | sterile. | ||||||||||||||||||||||||||||
basidiospores | [60/2/1] (8.8-) 10.0 - 12.5 (-14.0) × (6.8-) 7.2 - 9.2 (-9.5) µm, (L = 11.2 - 11.3 µm; L’ = 11.2 µm; W = 7.9 - 8.7 µm; W’ = 8.3 µm; Q = (1.13-) 1.20 - 1.60 (-1.71); Q = 1.28 - 1.43; Q’ = 1.36), hyaline, colorless, inamyloid, thin-walled, smooth, broadly ellipsoid to ellipsoid, occasionally elongate or subglobose, adaxially flattened, sometimes swollen at one end; apiculus sublateral, cylindric; contents guttulate; whitish in deposit. | ||||||||||||||||||||||||||||
ecology | Alaska, U.S.A.: In small groups. At 300 m elev. In old growth forest of Picea glauca, Populus tremuloides, and Betula papyrifera. British Columbia (Canada): ??. Washington: In small groups with Alnus and Abies alba or near to lake with Picea and Tsuga. | ||||||||||||||||||||||||||||
material examined | CANADA: BRITISH COLUMBIA—?? - ca. Smithers, Smithers Community For. [54°46’ N/ 127°10’W, 850 m], 24.vii.2005 J. M. Kranabetter s.n. (UBC F28705; RET 688-7 nrITS seq'd.). U.S.A.: ALASKA—Fairbanks North Star Borough - S of Fairbanks, milepost 18 George Parks Hwy., Bonanza Creek Experimental For., 4.viii.1989 S. L. Stephenson 5394C (RET 044-2, nrITS seq'd.). WASHINGTON—Klickitat? Co. - Gifford Pinchot Nat. For., N of Columbia Gorge, ca. Trout Lk., Mosquito Lk., 29.ix.2012 Buck McAdoo 337 (RET 675-3, nrITS & nrLSU seq'd.). Skamania Co. - Gifford Pinchot Nat. For. Big Mosquito Lk. [46.128° N/ 121.758° W, 1189 m], 11.viii.2013 Sava Krstic SAK-2013-00811-2 [mushroomobserver no. 142398] (RET 573-2, nrITS & nrLSU seq'd.). | ||||||||||||||||||||||||||||
discussion |
The spores of the present species are extremely
similar to those of the Alnus-associated
European species, A. friabilis: Based on an nrITS sequence in the UNITE database, the present species may also occur in Greenland. The latter material was cataloged under the name A. friabilis; however, it is genetically distinct from Norwegian material determined by C. Bas as A. friabilis as well as from Estonian material determined as that species and having an nrITS sequence in UNITE. Sequencing of additional European material of A. friabilis is under way, and material from France appears to be genetically identical with the Scandinaviana and Estonian ecollections. | ||||||||||||||||||||||||||||
citations | —R. E. Tulloss | ||||||||||||||||||||||||||||
editors | RET | ||||||||||||||||||||||||||||
Information to support the viewer in reading the content of "technical" tabs can be found here.
name | Amanita alaskensis |
name status | nomen provisorum |
author | Tulloss, Kudzma, Geml & Kranabetter |
english name | "Alaskan Alder Ringless Amanita" |
images | |
photo |
J. M. Kranabetter - (1) Smithers Community Forest,
British Columbia, Canada. (UBC F28705;
RET 688-7) Sava Kristic - (2) Big Mosquito Lake, Gifford Pinchot National Forest, Skamania County, Washington, U.S.A. (RET 573-2). [Note: Original image may be found on www.mushroomobserver.org, here. |
Each spore data set is intended to comprise a set of measurements from a single specimen made by a single observer; and explanations prepared for this site talk about specimen-observer pairs associated with each data set. Combining more data into a single data set is non-optimal because it obscures observer differences (which may be valuable for instructional purposes, for example) and may obscure instances in which a single collection inadvertently contains a mixture of taxa.