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Dave W

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About Dave W

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  • Birthday 05/09/1955

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    Northeast Pennsylvania

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  1. I suggest obtaining a spore print. The toxic Chlorophyllum molybdites has a green print. The other species of Chlorophyllum have white prints. Also, genus Macrolepiota may be considered here. In my area, these classic "Parasol Mushrooms" have flattened scales on the stalks that often form a zig-zag pattern. But, there may be other types that occur worldwide. Where is Chelmsford? Also, genus Lepiota --some dangerously toxic species-- features mushrooms that somewhat resemble Macrolepiota or Chlorophyllum. Generally, Lepiota mushrooms are smaller. But, it's definitely recommended that
  2. As suggested, Armillaria may be dehydrated and saved for future use. They also freeze well. Par-boil before wrapping portions tightly in plastic wrap. I then cover with foil as it helps keep things wrapped tightly in the freezer.
  3. Here's a paper on amyloid/dextrinoid reactions using Meltzer's, Lugol's, or just plain iodine. https://namyco.org/docs/Melzer__Lugo.pdf I see there's a photo showing a "dextrinoid" reaction with Lugol's applied to Amanita frostiana spores. Champignons du Quebec says A. frostiana in non-reactive in Meltzer's. I have tested spores of A. frostiana (as it looks a lot like A. flavoconia, which has amyloid spores). I have not ever noticed a dextrinoid reaction with A. frostiana spores in Meltzer's. So, I suspect there are possibly false-positive results associated with Lugol's. In the example bei
  4. Yeah, I think I see a greenish tinge on the gills. This would indicate the likelihood of Hypholoma fasciculare (Sulphur Tuft).
  5. E. abortivum would be an interesting thing to sequence... either the Entoloma mushrooms or the aborted Armillaria fruit bodies. A couple years ago I got my local club funded for 30 sequences through North American Mycoflora Project. This project now goes under the name Fungal Diversity Project https://fundis.org/ . Here's my contributions from 2018. https://mushroomobserver.org/project/show_project/240?q=1W4GY https://mushroomobserver.org/project/show_project/241?q=1W4GY . Click on "show" where it says "observations". I plan to apply for another grant --maybe next year-- if it's
  6. I agree, Tricholoma. The gray-capped Trichs are... if you'll excuse the pun, tricky. T. terreum is a name that may apply here.
  7. These look like Hypholoma lateritium, "Brick Caps". The cap color matches. H. lateritum has a more substantial partial veil than the other robust wood-inhabiting Hypholoma species (most commonly H. capnoides and H. fasciculare). The young gills are white. Of course, the biggest danger is confusion with Galerina marginata. But, one may learn to make this distinction in the field. Any such doubt can be alleviated via spore print; Galerina has a more vividly brown print with a rusty appearance.
  8. Yeah, the ingredient Chloral hydrate is a controlled substance. You used to be able to get Meltzer's on the international market, through the mail. There were companies willing to send it... Germany, England, China. Some folks have luck getting it via a prescription written by an MD. My doctor said he do this, but I could not find a pharmacy willing to fill it! I still have some obtained awhile back. I use this syringe-type device to mete out the tiniest useful amount. Luckily, Meltzer's has decent shelf-life. I have heard there's a compounding pharmacy in Maine that will fill a script.
  9. Indoor lighting appears to be giving these a more yellow appearance than should be the case. I think these are Panellus stipticus. Inedible due to terrible taste. But, young fruit bodies of P. stipticus are reportedly bioluminescent; ie. glow in the dark. I haven't seen this with this species.
  10. Learning to recognize an edible type new to to a person often entails some initial collections ending up in the compost. caution is always at the forefront of this hobby. See if you can find/collect some Galerina marginata to study. If you don't want to take such a thing home, then get some good photos. Learning to recognize the bad ones is important. Young fruit bodies of G. marginata sometimes exhibit a fairly well-developed white ring/veil.
  11. Almost certainly L. sulphureus. There is a very uncommon eastern NA species that occurs on conifer wood, L. huroniensis. I saw it once in NY State. There are reports that suggest L. huroniensis is more likely to cause an adverse reaction than L. sulphureus. Other than substrate, the two species are virtually identical.
  12. That was my initial impression, a species from the Pluteus cevinus complex.
  13. I just now noticed that the monitor I'm using at this moment better shows the pigmentation of the spore prints seen above than does my laptop. Another "fly in the ointment"! Yup, perception of color --even when observers are viewing the same object in real live time-- is at least somewhat subjective. Then there's also the problem of fulfilling an expectation. Many years ago, before I had ever found a single specimen of L. irina, I convinced myself that the pale yellow spore print associated with a collection of Clitocybe robusta looked like a Lepista print. Lucky for me the worst that cam
  14. The more I learn, the more I realize how many things I don't know. This is particularly true of classification of fungal species. After about 20 years of hunting mushrooms and relying upon my collection of field guides I had gained a reasonable understanding of the local edible types and their look-alike species. Out of curiosity I started bringing home other types just to see if I could put names onto them. Then, the sea change... a digital camera and the Internet. When I first started using Mushroom Observer in 2008, most of my ID proposals were made at the highest level of confidence.
  15. Looks like a species of Armillaria (Honey Mushrooms). Although I'm not familiar with the particular species one may expect to find in Oregon.
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