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The following material is based on original research by R. E. Tulloss.
In Quercus-Pinus patula forest (bosque nublado).
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).
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.
—R. E. Tulloss
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Tulloss et al.
1. Amanita sp-M18, ??, Tlaxcala edo., México.
RET - (1) ??, Tlaxcal estado, México.
Spore data for collections provisionally identified as: Amanita sp-M18 Tulloss et al.
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and explanations prepared for this site talk about specimen-observer pairs associated with each data set.
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a single collection inadvertently contains a mixture of taxa.