Observation 67091: Phragmidium mucronatum (Pers.) Schltdl.
When: 2011-05-08
No herbarium specimen

Notes: This rust was growing on a multiflora rose bush.

Proposed Names

28% (1)
Recognized by sight
60% (2)
Eyes3
Recognized by sight: This pathogen has a Facebook… so you can friend it i suppose.
http://www.facebook.com/...
Used references: http://www.biopix.com/...

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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….
By: damon brunette (damonbrunette)
2011-05-10 05:50:57 CEST (+0200)

Possibly gall and rust?…
Maybe puccinia

http://www.flickr.com/photos/68587888@N00/2180749015/

I could go back
By: Dan Molter (shroomydan)
2011-05-10 05:40:11 CEST (+0200)

If nobody knows what it is, I could go back and collect a sample. Gas costs four dollars per gallon though, so I would need reassurance that the specimen is scientifically significant before making a special trip.

super cool
By: Danny Newman (myxomop)
2011-05-09 21:46:32 CEST (+0200)

have you scoped it?

thought it was a worm
By: Dan Molter (shroomydan)
2011-05-09 16:56:28 CEST (+0200)

There were several colonies on the same rose bush. All started at a node where a new branch was sprouting from an old cane, and all caused the swelling and curling seen here. I initially thought the bush was being attacked by caterpillars until I took a closer look.

It’s cool to see a parasitic fungus on Rosa multiflora. Anything that checks the spread of this invasive plant is a welcome sight.

Wow, very cool!
By: Tim Sage (T. Sage)
2011-05-09 07:02:50 CEST (+0200)

Thanks for observing!!!!

Created: 2011-05-09 04:02:23 CEST (+0200)
Last modified: 2011-05-11 06:51:55 CEST (+0200)
Viewed: 212 times, last viewed: 2016-10-23 01:09:10 CEST (+0200)
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