Observation 271359: Tephromela atra (Hudson) Hafellner
When: 2017-02-28
Collection location: Monsanto, Lisboa, Portugal [Click for map]
Who: zaca
No specimen available
Notes:
Growing on basaltic rock.
Images
| User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
| Vote | Score | Weight | Users | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I’d Call It That | 3.0 | 0.00 | 0 | ||||||
| Promising | 2.0 | 6.55 | 1 | (zaca) | |||||
| Could Be | 1.0 | 0.00 | 0 | ||||||
| Doubtful | -1.0 | 0.00 | 0 | ||||||
| Not Likely | -2.0 | 0.00 | 0 | ||||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
1.73 | 57.83% | |||||||
All the features point to Tephromela atra ,but the spores seem immature with dimensions:
(8.3) 8.5 – 10.6 (10.9) × (4.5) 4.9 – 7.2 (7.4) µm
Q = 1.3 – 1.7 (1.9) ; N = 24
Me = 9.4 × 6.2 µm ; Qe = 1.5 .