Observation 167041: Stemonitis splendens Rostaf

When: 2014-06-07

Collection location: Lower Meramec Park, St. Louis Co., Missouri, USA [Click for map]

Who: weed lady (Sylvia )

No specimen available

See observation #166959 which is the same (time and place).

Proposed Names

23% (2)
Recognized by sight
47% (2)
Eye3 Eyes3
Used references: Audubon.
28% (1)
Used references: Audubon

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Thanks Phil
By: weed lady (Sylvia )
2014-06-13 10:07:26 UTC (+0000)

For taking so much time on this question. Hope Timothy gets this information.

Stemonitis splendens
By: Phil Yeager (gunchky)
2014-06-13 00:15:26 UTC (+0000)

tops are .5-2 cm high with a stalk height 3-5mm long, giving the total maximum height 25mm. Thus the stalk would be one-fith of the total height.
S. fusca has a stalk usually more than one-quarter total height. Based on this I would venture to say that this may be S. fusca. Reason?
I enlarged your photos and measured them with a metric rule. Scientific? Maybe, but that is the best idea I could envision. If you can retrieve some spores and scope them it would be beneficial. In any event I learned something new.

Good question Tim
By: Phil Yeager (gunchky)
2014-06-11 23:45:23 UTC (+0000)

I never heard of S fusca before and only read about and saw F. splendens on a few occasions. I will do more research on F. fusca, and try to comment more at a later date.

Do not know Timothy.
By: weed lady (Sylvia )
2014-06-10 17:36:25 UTC (+0000)

Sorry I cannot help you with this question. Address it to one the experts here at MO.

fusca vs. splendens
By: AmatoxinApocalypse (AmatoxinApocalypse)
2014-06-10 13:43:25 UTC (+0000)

What is the difference between Stemonitis fusca and Stemonitis splendens?

By: weed lady (Sylvia )
2014-06-10 10:24:22 UTC (+0000)

Phil for commenting on the specific name for this. It was a real treat to see this since I had only seen it in books before.

Created: 2014-06-09 20:44:20 UTC (+0000)
Last modified: 2015-10-27 20:59:20 UTC (+0000)
Viewed: 90 times, last viewed: 2017-06-18 12:19:17 UTC (+0000)
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