Notes: This Russula sp. with a faint almond smell is almost certainly associated with Pin Oak (Quercus palustris). In the field, this Russula would be very hard to distinguish from my Obs 141061. However, microscopically they are clearly separable, with this species lacking the distinctively staining and much larger cystidia of Obs 141061. Taste is mealy, but not acrid. Spores scraped together en masse are cream to yellow (D-E) on the Kibby-Fatto scale and the broadly ellipsoid spores have amyloid spines (up to 1.0 micron long) with little to no connectivity between spines. The 20 spore average is 7.5 × 6.0 with Qm = 1.26. Some pleurocystidia have a segmented nipple-like end and do not stain strongly in Melzers. See photomicrographs pointing out the cystidia. No cells with refractive contents were observed in gill crush mounts.
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Created: 2013-08-06 17:20:26 PDT (-0700)
Last modified: 2013-08-12 11:35:16 PDT (-0700)
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