Observation 131332: Peltigera didactyla (With.) J.R. Laundon

When: 2013-03-30

Collection location: Braga, Portugal [Click for map]

Who: Elsa (pinknailsgirl)

No specimen available


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I think most of these papers
By: Jason Hollinger (jason)
2013-04-06 22:53:03 EDT (-0400)

just report the known locations, and often only those records for which they have personally examined and verified the vouchered specimen itself. Ranges in cases like this are meant to be absolute lower limits only. In a region which has been well-studied and well-collected, this will also typically approximate the actual range. But in Portugal this seems to be far from the case.

Since they are not
By: Elsa (pinknailsgirl)
2013-04-06 16:03:27 EDT (-0400)

omnipresent everywhere at everytime, how come they say those things?

By: zaca
2013-04-06 15:48:15 EDT (-0400)

As you can see the link that you gave consists of a work by one of the authors of the reference I gave. In the distribution map given there for the two varieties of P. didactyla, Braga (your location) is very far from the locations from where it is reported. This (or similar) happened to me several times in the past and I’m very septic about this kind of data for our country. Regarding the species, I don’t see any other option.

I agree with P. didactyla
By: Jason Hollinger (jason)
2013-04-05 22:44:13 EDT (-0400)

And this is such an amazing specimen(!) that it really does make one wonder how it could be missing from Flora Ibérica. Same thing happened in southeastern USA, too — it was just officially reported for the first time this year, but there are several specimens, and many are extremely well-developed like this one. I wonder if people are simply questioning the ID because of the state of development, and that’s why it has been left out of the floras??

By: Elsa (pinknailsgirl)
2013-04-05 21:23:05 EDT (-0400)
By: Elsa (pinknailsgirl)
2013-04-05 20:56:47 EDT (-0400)

I have seen at least two of them, or are there any look-alike?

By: zaca
2013-04-05 19:00:57 EDT (-0400)

It seems a good bet given the existence of abundant laminar soralia. Very similar to the images of this species in lastdragon.
However, According to the reference below, none of the two varieties (didactyla and extenuata) of this species is expected at this location.

Ref.: Ana Burgaz & Isabel Martínez, Peltigerales – Lobariaceae, Nephromataceae, Peltigeraceae, Sociedade Española de Liquenología, Flora Liquenológica Ibérica, vol. 1, 2003.

Created: 2013-04-05 11:34:53 EDT (-0400)
Last modified: 2013-04-05 11:34:58 EDT (-0400)
Viewed: 50 times, last viewed: 2018-12-24 23:46:04 EST (-0500)
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