Observation 73117: Opegrapha calcarea Turner ex Sm. & Sowerby
When: 2011-07-16
Who: zaca
No herbarium specimen

Notes: Growing on calcareous rock.
Dimension of the spores observed:
(12.3) 12.6 – 15 (16.8) x (3.6) 4 – 5.5 (6.3) µm
Q = (2.3) 2.4 – 3.6 (3.9) ; N = 30
Me = 14.1 × 4.9 µm ; Qe = 2.9.

Proposed Names

58% (1)
Eye3 Eyes3
Used references: http://www.lekermeur.net/...
Based on microscopic features

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
Not all are lichenized
By: Jason Hollinger (jason)
2011-08-04 20:49:47 EDT (-0400)

These genera do occasionally contain nonlichenized species. And in many supposedly lichenized species I’ve been completely incapable of finding any algae. In other words the line is a bit blurry in this group!

Yes,
By: zaca
2011-08-04 10:17:05 EDT (-0400)

the genus Opegrapha has a lot of species (more than a thousand entries in index fungorum) some of than growing on bark (like the ones in MO73071 and MO72707). There are also some closer genera, like Graphis, Graphina, Glyphis, Phaeographis, Sarcographa, and many others.

Zaca
By: damon brunette (damonbrunette)
2011-08-03 21:47:48 EDT (-0400)

Can this genus grow on bark? I found something that looks just like this. Or is this a lichen? I thought mine to be an asco

Created: 2011-08-03 17:32:45 EDT (-0400)
Last modified: 2011-08-03 17:32:46 EDT (-0400)
Viewed: 71 times, last viewed: 2016-10-24 20:18:21 EDT (-0400)
Show Log