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19-06-2018 21:45

BERNARD CLESSE BERNARD CLESSE

Bonsoir à toutes et tous, Je n'arrive pas à voi

18-06-2018 04:55

Andgelo Mombert

Bonsoir,Sur tige morte de Gentiana lutea, en compa

19-06-2018 09:47

Greiff Georges

Hi all, I encountered this yesterday and think it

19-06-2018 09:34

Greiff Georges

Found on rotting twigs in wet woodland. Fruits wh

18-06-2018 19:50

Elisabeth Stöckli

Bonsoir, Trouvé sur feuille de Rubus (à 965m, R

18-06-2018 13:54

Castillo Joseba Castillo Joseba

Esta posible Peziza en bosque de  piceas,  sobre

18-06-2018 13:56

Castillo Joseba Castillo Joseba

en bosque de abetos,  sobre tierra   ...  A v

11-06-2018 20:34

Andgelo Mombert

Bonsoir,Sur tige morte de plante, probablement d'A

18-05-2018 18:38

Riet van Oosten Riet van Oosten

Hello,Found 17-05-2018, The Netherlands.On: Phragm

17-06-2018 00:36

Alan Rockefeller Alan Rockefeller

Looks like what is passing for Caloscypha fulgens

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Melastiza chateri synonym de Melastiza cornubiensis or not?
Andreas Gminder, 26-02-2018 21:20
Andreas Gminder

Dear Collegues,


as I'm not very familiar with operculates, I was astonished to see that Index fungorum as well as Mycobank keeps Melastiza chateri and Melastiza conubiensis as separate species.


I was on the state of knowledge (following Moravec 1994) that both are synonymous.


So may well be I'm not at the hight of time - can someone tell me wether there is a publication separating the two species?


thank you and best regards,
Andreas

Michael Beug, 27-02-2018 00:17
Michael Beug
Re : Melastiza chateri synonym de Melastiza cornubiensis or not?
When I looked into this question in 2014, I encountered a difference of opinion  with some authors considering the two species as distinct and other authors considering M. chateri a synonym of M. cornubiensis.
Viktorie Halasu, 27-02-2018 08:27
Viktorie Halasu
Re : Melastiza chateri synonym de Melastiza cornubiensis or not?
Hello Andreas,

M. greletii (syn. of M. flavorubens) and M. scotica (syn. of M. contorta) are being kept separate in IF too, although they were synonymized earlier (M. greletii in Korf, 1971, Some new discomycete names, Phytologia 21(4): 204; M. scotica based on type study in Yao et Spooner, 1995, New combinations in Melastiza and Scutellinia (Pezizales), Mycotaxon 53: 469). Also, when Moravec in 1994 changed Melastiza to subgenus of Aleuria he combined most of the then known Melastizas to Aleuria. In IF, some of the names from his paper have current name in Aleuria (boudieri + carbonicola), some in Melastiza (cornubiensis + flavorubens + rubra). I would be very glad, if anyone can explain why.
 


Interesting case is the IF synonymy of Melastiza flavida (current name Peziza aurata, according to IF):
http://www.speciesfungorum.org/Names/SynSpecies.asp?RecordID=413752
http://www.speciesfungorum.org/Names/SynSpecies.asp?RecordID=362334

As far as I understand it there are several taxa involved:
1. Aleuria flavida (K.S. Thind & S.C. Kaushal) J. Moravec, syn. Melastiza flavida K.S. Thind & S.C. Kaushal
- This is a small Melastiza, spores 16-19 × 10.8-13 um with rather coarse ornamentation. (see Moravec 1994)

2. Peziza subcitrina (Bres. in Rehm) Korf, syn. Plicaria subcitrina Bres. in Rehm., Humaria subcitrina (Bres.) Sacc., Aleuria subcitrina (Bres. in Rehm) Boud.
- I don't have any informations about this taxon at hand. It was combined to Peziza by Korf in Mycotaxon 14:1-2 (1982), who cited basionym only. The other synonyms (combination into Humaria and Aleuria) are cited in Spooner et Yao, 1995, Notes on British taxa referred to Aleuria, Mycol. Res. 99(12): 1515-1518.

3. Peziza aurata (Le Gal) Spooner & Y.J. Yao, syn. Aleuria aurata Le Gal
= Aleuria cerea var. flavida (W. Phillips) Boud., syn. Peziza micropus var. flavida W. Phillips, syn. Peziza flavida (W. Phillips) M.M. Moser ex D.C. Pant
- The synonymy of these two taxa, Le Gal's A.aurata and Phillips's var.flavida, although unnoticed by IF, was published in Spooner et Yao (op.cit.) It is a Peziza with amyloid asci and smooth spores 16-20.5 × 8-10 um. They wrote that the combination into Peziza at species rank given in Moser (1963 - I don't know this work) and Hohmeyer (1986) was invalid since they didn't cite the basionym. It seems Yao and Spooner were probably not aware of the article by D.C.Pant (1993, The genus Peziza in India - new records, Journal of Mycopathological Research 31(1): 21-23) where the Moser's combination P.flavida was validated (according to IF; I don't have that article). On the other hand, Le Gal's A. aurata was published in 1941, long before the combination by Moser.

I'm not aware of any paper making the(se) amyloid Peziza(s) conspecific with a Melastiza but I certainly don't know all related literature, so perhaps... 

Viktorie 

Thomas Læssøe, 11-03-2018 17:02
Re : Melastiza chateri synonym de Melastiza cornubiensis or not?
I think it is important to realise that Index Fungorum is a nomenclatorial database (undermanned/staffed) and that the associated Species Fungorum is an only partly managed taxonomic opinion database. There are endless discrepancies between generally accepted synonymies and those shown in the Species Fungorum. Where mistakes are found in the IF-part, I recommend writing to Poul Kirk with the corrections. Currently I think PK cannot handle the SF part  - too much work involved. All that is published on online on IF is automatically accepted as current, and that could also be debated...

cheers
Chris Yeates, 11-03-2018 21:16
Chris Yeates
Re : Melastiza chateri synonym de Melastiza cornubiensis or not?
Thomas makes a very important point re the differences between IF & SF. In my experience Paul Kirk has acted quickly and positively in making changes I have suggested if the reasons why (indicating published papers etc.) are presented. Species Fungorum is very behind the times when dealing with the "honorary fungi" which constitute the Peronosporaceae for example see:
http://www.speciesfungorum.org/Names/SynSpecies.asp?RecordID=157515

Less helpful, in my opinion, is the way in which Species Fungorum points every infra-specific taxon to the parent species (as can be seen in the link above). Sub-species, varieties et al. disappear, but can be particularly important categories when dealing with, for example, plant pathogens - Mycobank keeps them separate.

amitiés
Chris