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accession
locus
voucher
source
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 by R. E. Tulloss.
ecology
In Quercus-Pinus patula forest (bosque nublado).
material examined
MÉXICO: HIDALGO—ca. northern jct. of México Carretera Federal 105 deviation for Zacualtipan & main México Carretera Federal 105 [20°40’28” N/ 98°40’29” W], 18.vii.1996 A. Montoya Esquivel & R. E. Tulloss 7-18-96-C (RET 253-4; TLXM).
discussion
In gross habit this species is somewhat like the European A. excelsa, but powdery, grayish material of the limbus internus is distributed on stipe in the present case. This latter is a character seen in some Costa Rican collections that were determined in the field as A. brunneolocularis (N.B.).
Preserved material is from cloud forest in Hidalgo. RET first saw this taxon or something very like it in Tlaxcala. It is not clear whether the material from Tlaxcala was preserved. At any rate, it is not in RET's herbarium.
citations
—R. E. Tulloss
editors
RET
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name
Amanita sp-M18
name status
cryptonomen temporarium
author
Tulloss et al.
images
1. Amanita sp-M18, ??, Tlaxcala edo., México.
photo
RET - (1) ??, Tlaxcal estado, México.
name
Amanita sp-M18
name
Amanita sp-M18
Spore data for collections provisionally identified as: Amanita sp-M18 Tulloss et al.
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.