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Résultat(s) pour : periconia

25 résultat(s) dans Forum

Riet van Oosten, 13-10-2019

<div>Hello,</div> <div>On the culm of Phragmites australis (on the same stem as mentioned in topic Periconia minutissima?), 05-10-2019, The Netherlands.</div> <div>Lookes like Periconia cookei, but the conidia are too small ....</div> <div>Greetings, Riet</div>

Thorben Hülsewig, 25-06-2017

Periconia sp. on Phragmites

Hi there, this Periconia sp. grow on dry stem of Phragmites australes. Any idea which species this is ? best regards, Thorben

Riet van Oosten, 05-04-2018

Periconia hispidula?

Hello, Found on Typha (I was looking for Pyrenophora typhicola), March 2018, The Netherlands. Periconia hispidula? Best regards, Riet

Lothar Krieglsteiner, 01-02-2023

Periconia-like anamorph from Portugal

... on old herbaceous stem (likely Tropaeolum majus) near Monchique, 28.1.23. The Spores are about 8-9 µm and prnamented with partly curvrd spines. I do not find a fitting Periconia species - something else? Yours, Lothar

Alvarado Cordobes Manuel, 29-06-2016

Periconia en Thalictrum

Buenos dias : Lo encontré en tallos del año anterior de Thalictrum speciosissimum. Altura de unos 0,5 mm Esporas de 13-14 micras Recogido en una ribera de la Sierra Norte de Sevilla 13 mayo 2016 Creo que puede ser una especie del genero Periconia pero no lo tengo claro. ¿ Me podeis ayudar en la determinacion ? Muchas gracias anticipadas

Charles Grapinet, 29-02-2024

Periconia britannica ?

Hello, Yesterday I found a Periconia on a dead Aesculus leaf, near Belfort (north east of France, altitude of 400m). I need help with identification. Description : - solitary conidiophores, with only 3 examples scattered on a dead leaf of Aesculus. - Foot approximately 400 µm long, with three septa. Foot width of 10 to 15µm depending on location. Slight enlargement of the foot at the apex, at the level of the cluster of conidia. - the cluster of conidia has a diameter of 30 to 45 µm. It is fixed unilaterally. I noticed this element when varying the focus of the microscope. See on photo number two. - the conidia are slightly warty (hardly visible in my photos), yellow-brown and measure 6 to 7µm in diameter. These elements remind me of Periconia britannica described by Ellis (1976), because the cluster of conidia is fixed laterally and the conidia are small in diameter. What do you think ? Furthermore, does anyone have a key to Periconia to recommend to me? Charles

Morozova Irina, 06-11-2012

Literature on Periconia seeking

Dear friends! Does anybody have the paper Subramanian, C.V. (1955). Some species of Periconia from India. Journal of the Indian Botanical Society 34: 339-361, 12 figs. If someone has it, could you please send me on irina_disco@yahoo.com Thank you, Irina

Riet van Oosten, 13-10-2019

Periconia minutissima?

<div>Hello,</div> <div>Found on the culm of Phragmites australis, The Netherlands, 05-10-2019.</div> <div>Could this be Periconia minutissima?</div> <div>Greetings, Riet</div>

Carmel Sammut, 25-11-2022

Periconia sp. ?

Looking through my unidentified specimens I came across a collection made in 2016 on a wilted leaf from an unidentified grass (possibly a Phalarissp.). The anamorph colonies were about 1mm in length. Conidiophores 200-500 x 6-9 µm, brownish with paler terminal cell, thick walled and septate. Conidia 9-13 µm globose, initially pale and smooth but later brownish and verrucose. On re-examination I suspect this is a species of Periconia, perhaps close to P. hispidula. Any feedback would be appreciated.

Ethan Crenson, 30-08-2019

Periconia sacchari ?

<div>A friend found this anamorph in Staten Island NYC and very kindly gave it to me for further research. It was growing on grass, possibly Agrostis sp. I'm reasonably sure it's Periconia. I ran it through the key on p. 345 of Ellis (Dematiaceous Hyphomycetes) and the result was P. sacchari. Conidia are brown, minutely warted and measure 14-19 x 8-11µm. The range (Brazil, Ghana, Puerto Rico, Sierra Leone) and host (Saccharum) given in Ellis aren't a perfect match. Perhaps someone can point me in the right direction? </div> <div>Thanks in advance.</div>

PASCAL DUBOC, 09-11-2018

Periconia

<div>Bonsoir</div> <div>il me semble avoir détecté ce genre sur des reste de troncs de feuillu.. mais je n'ai aucun document dans ce domaine.. Existe-il quelque chose dans ce domaine ?</div> <div>merci</div>

Ethan Crenson, 12-12-2017

anamorph on twig

Hello all, Yesterday in Queens, New York City I found this anamorph on a twig in Quercus - Liriodendron - Prunus woods. Conidiophores are about .5mm tall, brown, septate. Conidia are knobby globose, light brown 11-16µm. The warts on the conidia are probably .5µm or smaller. Is it possible to know what this is? Thanks in advance!

Florian Prell, 21-06-2016

Three Hyphomycetes on Verbascum

Hello Together, last week i found a few interesting fungi growing on dead culm of Verbascum cf. thapsus near of Gießen, Germany. I checked three of the hyphomycetes for their microscopic features and need a confirmation or name suggestions for them. The first one should be nothing else than Dendryphion comosum, the second one should be a Periconia sp. (maybe Periconia byssoides?), growing together with Lachnella villosa. For the third one i have no idea for a name and even if it belongs into a genera of hyphomycetes. The last one was growing on the outside of the old inflorescence of the Verbascum. Has anybody any idea, especially for the species of Periconia and the unknown fungus? I can also show more details and give more information for every fungus if necessary. Thank you very much in advance, Florian

Eduard Osieck, 26-11-2017

Cheirospora botryospora

Would anyone be able to confirm that this anamorph (coelomycete) is Cheirospora botryospora? It forms characteristic black effused patches on dead branches of Carpinus betulinus (and Fagus and Hedera according to the literature). The species is described and illustrated by Sutton 1980 (page 203) and Ellis & Ellis 1997 (fig. 634). Thanks in advance, Eduard

Laurens van der Linde, 07-12-2019

PATELLARIOPSIS ATROVINOSA ANAMORF

Hallo i found the P atrovinosa with a slime specie is this the anamorf sp. you can see on the right side of the picture the normal form

Marc Detollenaere, 28-02-2018

Unknown darkgrey Hypho on Corylus

Good evening everybody, A few days ago I found a Hypho on a living branch of Corylus avellana. It had a rough darkgray surface without ostioles. Under the microscope I only found round spores of about 5µ , each with a large drop.I have no idea of the genus.Anyone can help? Marc

Lothar Krieglsteiner, 09-08-2020

minute mould on grass remains

... maybe Molinia, in an acid bog (near Narthecium ossifragum), in the Eifel. First I thought I would collect a myxomycete (e.g. Comatricha), but the micrdoscope told something different. Unfortunately, I forgot to measure the spores yesterday, and the material is very scanty. But I think they should be about 7 µm. Who has a proposal? Best, Lothar

Jan-Arne Mentken, 14-03-2018

Monacrosporium subtile on unknown hyphomycete?

Hello everyone, in recent days I found this anamorph which seems to be overgrown by another fungus. Only having Ellis & Ellis as useful literature I suggest that it could be Monacrosporium subtile. Ellis & Ellis: Microfungi on miscellaneous substrates, p. 35 say: "Colonies thin, white, scarcely visible to the naked eye. Conidiophores erect, hyaline, straight or sligthly flexuous, 2-4 thick at base, 1-2 at apex. Conidia solitary, terminial, clavata to cylindric-fusoid, with 1 to 12 septa, hyaline, smooth, 40-72 x 5-7. On Cladosporium, Periconia, etc." Even though this is probably neither Cladosporium nor Periconia. Could Monacrosporium subtile be an option? Does anyone possibly know this species or can identify the parasitized fungus? Thank in advance for any idea! Best regards, Jan-Arne

Castillo Joseba, 14-02-2022

En cañas de hierbas

me mandan el material de Galicia, recolectadas en cañas de hierbas En un principio me pareció un Myximyceto, pero tengo dudas A ver si hay alguien que pueda darme alguna sugerencia Saludos Joseba

John Leach, 04-05-2016

Possible Chaetomium on Umbelliferae

Hello everyone During a Fungi survey at Longshaw (21st April 2016) I collected some plant stems. Of the several fungi species found was I think is a Chaetomium type. Having very little literature or knowledge of this genus I am struggling to identify. Spores were in the region of 13 x 10 microns Any help is much appreciated as usual Best Wishes - John

Stephen Mifsud, 30-03-2020

Periconia ? with white smooth conidia

I found two Hyphomycetes on the lower stems of Sonchus oleraceus (one also on Oxalis, hence not host specific), but I shall tackle one here - an organism related to (or is?) Periconia Conidiophore wiry, 25-35um wide, smooth, dark gun-grey (a bit translucent), evenly septate (cells rectangular, sbout 120 um long) bearing at the top a cluster of white conidia (c. 100) which when in contact with water they eject and spread out. There seem to be no elaborate (if any) branching at the head. I have seen a few conidiophores which where simple branched, (just 1 or 2 branches from the main). Spores oval, smooth (in my opinion) readily staining in cotton blue except a rather thick wall.

Garcia Susana, 19-02-2013

Hyphomycete

Hola de nuevo: Estoy intentando identificar este hyphomycete que encontré creciendo sobre hojas secas de Cortaderia selloane en Navarra (España). Pensé en el genero Periconia, pero no he visto ninguna especie que tenga las esporas en glomerulos. Thecaphora tiene esporas similares, pero los conidomas son diferentes. ¿Puede alguien darme alguna idea? Muchas gracias. Susana

Steve Clements, 04-08-2016

Pyrenopeziza digitalina? Je ne suis pas sûr

Bonjour, Cet disco était sur un Digitalis purpurea mort. C'est Pyrenopeziza digitalina? Je ne le pense pas. Mais qu'est-ce que c'est? We found this little disco on the flower stalks and dead flower remains of Foxglve, Digitalis purpurea. It was with Flagelloscypha (cyphelloid), and the Hymenomycetes Periconia byssoides and Dendryphion comosum. The only similar species of discomycete on Digitalis in the UK seems to be Pyrenopeziza digitalina. However, that species isn't described as having hairs, is reported to be found on dead stems, and looks darker. Pezizella discreta and Pyrenopeziza revincta have also been found on Digitalis, but I don't think I have one of those. The ascocarps were sessile, fringed, and up to 0.3 mm diameter. Released spores were few but I estimated them to be about 7-10 x 1.5-2. Asci were biseriate, without croziers, and typically 40 x 5. The tips turned blue in Lugol. Some cells looked like hairs, and were minutely spiny. Cordialement, Steve

Peter Thompson, 18-12-2019

Blackish Stippled Fruit Bodies on Corylus avellana

Hello Everyone, I have found what appears to be an effuse layer of fruit bodies expanding across the bark of a dead trunk of Corylus avellana about 50 cm above ground level. Macroscopically, they look like tiny spheres tightly clustered together. Microscopy shows what would appear to be septate hyphae / conidiophores with branches, on which initially hyaline spheres form. As they mature, these clusters of spheres become brown and most seem to contain a refractive guttule. Each tiny sphere is smooth and about 5 um in diameter and most do not separate when prepared for microscopy. I wonder if this effuse layer could be a hyphomycete, but I can not find any species with clusters of smooth conidia resembling these. I have attached photos of the effuse layer and the available microscopic chararacteristics. I wonder if anyone has any ideas about what this might be? Thank You, With Best Wishes, Peter.

Michel RIMBAUD, 31-03-2015

Sur Lonicera

Bonjour à tous, En cherchant des Dasyscyphus barbatus, j'ai remarqué cette petite chose que je crois être un hyphomycète ... Hauteur totale 0,3-0,4mm. 1 à 5 poils septés diam.12µ terminés par une touffe de bourgeons. Quelqu'un sait-il ce que c'est ? Merci. Michel

Résultat(s) pour : periconia

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Résultat(s) pour : periconia

13 résultat(s) dans Base de données

Christian Lechat

Periconia ignaria

Hyphomycetes > Hyphomycetales > Dematiaceae > Periconia > ignaria

Christian Lechat

Periconia cookei

Hyphomycetes > Hyphomycetales > Dematiaceae > Periconia > cookei

Christian Lechat

Periconia minutissima