Observation 88040: Endocarpon pusillum Hedwig
When: 2011-08-31
Herbarium specimen reported

Notes: Andrew’s specimen 8312011-11; my number 4455a.

Growing on sand over calcareous sandstone. Perithecia with thick tough black wall completely surrounding it; hymenium hyaline, I+ wine-red, K/I+ blue, containing pockets and strings of tiny smooth green algae cells ~3×2µm. Spores large and very muriform, turning light brown early, at least 10-15 transverse septae, at least 50×15µm.

Images

200432
3.jpg
200433
1.jpg
pockets and strings of tiny algal cells in hymenium

Proposed Names

58% (1)
Eye3 Eyes3
Based on microscopic features: see notes

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Not sure what to say
By: Jason Hollinger (jason)
2013-12-29 22:31:11 EST (-0500)

Esslinger disagrees with Bennett on this one. (That is, the latest N. Amer. checklist lists both pusillum and pallidulum separately, both present, not as synonyms.) I’ll stay out of the fray. :)

Fun seeing all the dets and verifications from Jim, though, thanks for sharing! I’m deep in final throes of finishing a paper, so sorry I’m still MIA.

Jason, Hi
By: Andrew Khitsun (Andrew)
2013-12-29 22:15:09 EST (-0500)

Jim Bennett returned this specimen saying it’s called Endocarpon pallidulum now. Perhaps, just like everything else in lichenology, it depends on whom you ask. What do you think?

Created: 2012-02-20 04:16:47 EST (-0500)
Last modified: 2012-12-12 16:20:09 EST (-0500)
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