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debianlinux
Myconerd - DBK
Registered: 12/09/02
Posts: 8,334
Loc: Over There
Last seen: 9 months, 18 days
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Bolbiticae Coprophilus
#1676517 - 07/01/03 09:37 AM (20 years, 9 months ago) |
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Field notes as follows. Sorry for lack of pics but the notes are really all you need to key this one out.
Color: Cap is white with dingy brown intermingled. Stem is white with a golden hue. Texture: Cap is flimsy and mildly viscid. Stem is flimsy and fibrous and hollow. Odor: Nutty? Not the typical "mushroom smell". Not pungent or acrid. Cap: Conical and mildly viscid. Gills: Free, closely spaced, thin, ~1/8" deep, occasionally forked. Cinnamon colored. Stalk: Hollow, fibrous, with a bulbous base. Veil/Annulus: Non-existant with no volva. Habitat: Horse dung. Sporeprint: Cinnamon brown.
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Anonymous
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Re: Bolbiticae Coprophilus [Re: debianlinux]
#1676532 - 07/01/03 09:43 AM (20 years, 9 months ago) |
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- Post History Deleted Upon User's Request -
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angryshroom
Stranger
Registered: 12/18/01
Posts: 7,264
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Re: Bolbiticae Coprophilus [Re: debianlinux]
#1676600 - 07/01/03 10:25 AM (20 years, 9 months ago) |
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I couldn't find very much information on this species. The only thing I really found about it was that it grew on dung, and has a grayish-pinkish-cinnamon cap in age.
Also, here is a picture I found.
I don't know, if that is truely a Bolbitus coprophilus or not.
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debianlinux
Myconerd - DBK
Registered: 12/09/02
Posts: 8,334
Loc: Over There
Last seen: 9 months, 18 days
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Re: Bolbitius Coprophilus [Re: angryshroom]
#1676729 - 07/01/03 11:14 AM (20 years, 9 months ago) |
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Here's the keypath I took. I always explore possible alternative keypaths and the cinnamon print combined with the conical cap and especially the dung habitat exclude practically every other possibility.
Starting in the Agaricales key: 1. Spores forcibly discharged, print obtainable. 2. Spore print Cinnamon colored. 10. Spore print Cinnamon colored. 16. Print not grayish-olive 19. Spre print Cinnamon brown. 26. Not growing on other mushrooms. 27. Stalk present on ground. 30. Fruiting body is small and fragile, withers quickly, cap is conical, found growing right on a pile of dung. ----> Bolbiticeae
We jump to Bolbiticeae (pg 466 Arora) to learn that a microscope is generally necessary to distinguish some Bolbiticeae from Cortinariaceae but are informed that Coprinaceae generally deposit darker (purple/black) prints. Here, the dung habitat saves me from having to buy a scope just yet as the large majority of Cortinariaceae are mycorrhizal. (I'd love to own a decent scope )
Starting in the key for Bolbiticeae: 1. Cap is viscid and striate (not in notes) and fruitbody is soft and dissolved in some spots. ----> Bolbitius. Here I did examine some other possibilities as Arora suggests that Agrocybe, Bolbitius, and Conocybe are all very similar. The mature cap does not plane and the cap is striate. The cap is not translucent. There is no veil or annulus. There is no bruising whatsoever. (I did disect and closely inspect the innards). All these factors cut Agrocybe and Conocybe out of the mix in some fashion. On to Bolbitius...
Starting in the key for Bolbitius: 1. Cap is not yellow. 2. Growing on dung. 3. Cap became cinnamon-ish with age... -----> B. coprophilus (see B. vitellinus)
B. vitellinus hits close to home until we find the sub-entry for B. coprophilus which states that it will meet key conditions #2 and #3 above.
Things I learned with this post: Family, genus, species. are italicised. I was missinag an "e" in my -ceae. Bolbiticeae is a a family and Bolitius is a genus so my original nomenclature was erroneus.
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ToxicMan
Bite me, it's fun!
Registered: 06/28/02
Posts: 6,725
Loc: Aurora, Colorado
Last seen: 8 hours, 6 minutes
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Re: Bolbitius Coprophilus [Re: debianlinux]
#1676869 - 07/01/03 12:10 PM (20 years, 9 months ago) |
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Here's a description of Bolbitius coprophilus by Alexander H Smith.
Pileus 3-7 cm, oval expanding to plane, viscid, glabrous, becoming plicate-striate, grayish cinnamon to dingy brown on disc. Gills close, narrow to more or less broad, pale dingy brown, edges pallid. Stipe 6-12 cm x 3-6 mm, white, more or less fibrillose to pubescent (veil absent), very fragile. Spores 12-15 x 6-8 microns. Cheilocystidia clavate, 30-40 x 20-28 microns or 28-40 x 9-12 microns. On horse manure, eastern United States, not common, summer and fall.
While I agree with the way you keyed it out, I have to admit that your specimen doesn't resemble Smith's description very well. Your specimen is too small, and the cap is the wrong shape and color. Of course, Arora's keys are far from complete, so a failure to get to the correct species doesn't reflect on your ability to use them. And it doesn't help that he doesn't really have a description for Bolbitius coprophilus.
If you showed me the photo (nice photo, BTW) and description, I would probably start with Conocybe, and put it as Conocybe cf. lactea. The biggest problem with that ID is habitat. Given that there are over 50 species of Conocybe in North America (Arora lists a whopping three), and that identification to species in that genus is possible only with a microscope (so my books and Orson Miller have told me), we'll probably never know exactly which species it is. So another possibility is calling it Conocybe sp.
One of the big (little) things pointing me toward Conocybe is the stem. The stem on your specimen is very thin and equal, and typical of Conocybe. Bolbitius species tend to have thicker stems which taper towards the top, as the specimens in angry's photo do.
As far as the cap being "mildly viscid", I'm guessing (wildly) that that's because of excess moisture. Bolbitius species tend to have a truly slimy cap, as the photo angry posted shows.
I guess I'm saying that I think you did a good job of following the keys and describing your specimen. I disagree with the end conclusion, but that's because I found a description of them you probably didn't have. Without actually seeing the fresh specimen in person, I'm guessing, too.
Your method is good, keep it up. Probably the next step for you is obtaining more references to verify your IDs against. Arora is a great reference, but even he admits freely that it's far from complete. Alan Bessette seems to be putting out some pretty good books lately.
Happy mushrooming!
-------------------- Happy mushrooming!
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debianlinux
Myconerd - DBK
Registered: 12/09/02
Posts: 8,334
Loc: Over There
Last seen: 9 months, 18 days
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Re: Bolbitius Coprophilus [Re: ToxicMan]
#1676926 - 07/01/03 12:32 PM (20 years, 9 months ago) |
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Quote:
ToxicMan said: Your method is good, keep it up. Probably the next step for you is obtaining more references to verify your IDs against. Arora is a great reference, but even he admits freely that it's far from complete. Alan Bessette seems to be putting out some pretty good books lately.
Thanks for the pointers and the excellent descriptions! I will definitely try to locate some more (better) references. I'm definitely just getting started.
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mjshroomer
Sage
Registered: 07/21/99
Posts: 13,774
Loc: gone with my shrooms
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Re: Bolbitius Coprophilus [Re: ToxicMan]
#1676986 - 07/01/03 12:53 PM (20 years, 9 months ago) |
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Toxic man is right about the ID of this shroom. I put it in photoshop and corrcted some of the coloring. It is deifinately a Conocybe.
Here is the improved image.
mjshroomer
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