Observation 111876: Toninia A. Massal.
When: 2012-09-30
Who: zaca
No herbarium specimen

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Oh no! Another one of those!
By: Jason Hollinger (jason)
2012-10-03 19:38:39 CDT (-0400)

These things are hard enough without “faking” septae in their spores. That’s just perverse! :)

After all: is this Toninia sedifolia?
By: zaca
2012-10-03 19:16:41 CDT (-0400)

I just read the following remark in the JM Lucas webpage about the spores of T. sedifolia: “spores uniseptées mais apparence multi-septée (globules huileux)”. Can this be the explanation for what I observed?

I think that it happened again.
By: zaca
2012-10-02 17:50:46 CDT (-0400)

I have no definitive answer for the classification of this specimen, but it doesn’t seem to be T. sedifolia. What I could understood from the microscopy is that most problably we are in the presence of a Toninia with fusiform to acicular spores which are more than 1-septate (see another one with this feature in observation 107285), though the photos are not fully clarifying.

I see!
By: Jason Hollinger (jason)
2012-10-02 16:28:04 CDT (-0400)

Interesting that those two species key out completely differently in my keys, yet looking at your photos, I can see a strong resemblance. This one does look like it has much more convex squamules and is more pruinose than even the most pruinose specimens you’ve posted of T. aromatica.

I don’t generally pay too much attention to your Toninia because I know so little about the group, but this one really jumped out as being exactly like stuff I’ve seen in North America.

Thanks for the comment.

Yes, but …
By: zaca
2012-10-02 15:37:10 CDT (-0400)

according to my experience here, even those which seem like T. sedifolia, always end up with 3-septate spores, thus pointing more to T. aromatica. Definitely it doesn’t look T. aromatica this time. I will try the microscopy and return here with new data if possible.

Looks just like T. sedifolia
By: Jason Hollinger (jason)
2012-10-01 21:14:43 CDT (-0400)

Created: 2012-10-01 17:36:37 CDT (-0400)
Last modified: 2012-10-01 17:36:38 CDT (-0400)
Viewed: 44 times, last viewed: 2016-04-24 09:32:42 CDT (-0400)
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