Observation 4291: Discomycetes Sacc.

When: 2007-10-08

Collection location: Sonoma Co., California, USA [Click for map]

Who: Douglas Smith (douglas)

No specimen available

I didn’t find this one, it was brought into class, and I believe I was told it was found in Sonoma Co. These are Alder leaves, being rotted by some unknown Asci.

I’ve included microscopic photos in case a asci expert wants to come along and give these a try.

The samples were taken away, so I don’t have dried specimens.

The microscopic images were taken at 1000x under oil immersion, and mounted in Meltzer’s reagent (a whole cup was grabbed and squashed). The scale is 1 micro per division. The spores seem to be ellipical but flattened, but I’m not sure if these are immature being in the asci. I believe I see the tips of the asci are blue. The second photo is of the paraphases, to get more details for id, if some expert here comes along…

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