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Sporormiella teretispora
Joop van der Lee,
28-03-2019 19:12
Found on horse dung.Perithecia: 370x343 um (Perithecia was covered with spores form Conichaeta)
Asci: 8-spores; 195.6-196.8x33-34.7 um
Spores: biseriate; 59.75-74.1x10.35-12.85; germ slit sligthly oblique.
Paraphyses: septated; 3.45-5.2 um
Yulia Lytvynenko,
29-03-2019 06:10
Re : Sporormiella cylindrospora?
Dear Joop!
Sporormiella cylindrospora has spores larger in size ((67)70-80x13-16). And why, for example, is not S. teretispora (ascospores 60-66x10-13)? What confuses you?
Sporormiella cylindrospora has spores larger in size ((67)70-80x13-16). And why, for example, is not S. teretispora (ascospores 60-66x10-13)? What confuses you?
Michel Delpont,
29-03-2019 07:11
Re : Sporormiella cylindrospora?
I think it is indeed S. teretispora; S. cylindrospora spores have different germinal slits.
Michel.
Peter Püwert,
29-03-2019 12:15
Re : Sporormiella cylindrospora?
Hi all,
here two pictures and two links about Sp. teretispora and cylindrospora.
Greetings Peter.
Joop van der Lee,
29-03-2019 14:17
Re : Sporormiella cylindrospora?
Vielen dank Peter.
Joop
Joop
Yulia Lytvynenko,
30-03-2019 09:09
Re : Sporormiella cylindrospora?
Dear Joop.
Regarding the size of the spores of Sporormiella teretispora.
According to different authors, it is quite different. 60-66 X 10-13 (Ahmed&Cain), 55-67 X 11-14 (Bell), (61.7-) 63.6-68.4 (-69.3) x 01.4-) 11.8-12.3 (-12.8) (Doveri). Mungai et al. give size 66–73.5 × 11–15.5 (as. S. aff. teretispora). Last size is similar to your measurements.
The morphology of the germ slits is also given different.
Ahmed&Cain: germ slit nearly parallel, in some collections the germ slit is curved at each end;
Doveri: germ slit an imperceptibly oblique to almost parallel, often flexuous; and besides, indicates that germ slits almost parallel. rather than oblique, germ slits.
Mungai et al.: germ slit diagonal, sigmoid to oblique.
In this regard, I would like to ask a question both to you and all my colleagues in this forum.
What do you think, is the morphology of germ slits in some species of Sporormiella a reliable diagnostic sign? How important should it be considered in the identification Sporormiella species?
Regarding the size of the spores of Sporormiella teretispora.
According to different authors, it is quite different. 60-66 X 10-13 (Ahmed&Cain), 55-67 X 11-14 (Bell), (61.7-) 63.6-68.4 (-69.3) x 01.4-) 11.8-12.3 (-12.8) (Doveri). Mungai et al. give size 66–73.5 × 11–15.5 (as. S. aff. teretispora). Last size is similar to your measurements.
The morphology of the germ slits is also given different.
Ahmed&Cain: germ slit nearly parallel, in some collections the germ slit is curved at each end;
Doveri: germ slit an imperceptibly oblique to almost parallel, often flexuous; and besides, indicates that germ slits almost parallel. rather than oblique, germ slits.
Mungai et al.: germ slit diagonal, sigmoid to oblique.
In this regard, I would like to ask a question both to you and all my colleagues in this forum.
What do you think, is the morphology of germ slits in some species of Sporormiella a reliable diagnostic sign? How important should it be considered in the identification Sporormiella species?
Joop van der Lee,
01-04-2019 20:07
Re : Sporormiella cylindrospora?
Check your mail Yulia.
Joop
Joop