Notes:
Found growing in the grass, just a few feet away from the curb at the intersection of Kaneohe Bay Drive and Mokapu Road in Kailua, Hawaii.

Found on a sunny day after several days of heavy rain. No tree cover at all.

Has a very mild, fruity scent.

5" long with a distinct, deeply scalloped edge around the cap.

Images

Proposed Names

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Comments

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Chlorophyllum molybdites (G. Mey.) Massee
By: Jeanne (inanotherlife)
2018-11-08 18:45:45 CST (-0600)

And…“else” comes in with a likely winner! I think these resemble my mushroom much more than any of the Leucoagaricus Locq. ex Singer do.

The markings on the caps are especially similar here:
Observation 243713: Chlorophyllum molybdites (G. Mey.) Massee
Observation 95905: Chlorophyllum molybdites (G. Mey.) Massee

And these even have some suggestion of scalloping:
Observation 563: Chlorophyllum molybdites (G. Mey.) Massee
Observation 314283: Chlorophyllum molybdites (G. Mey.) Massee

Thank You
By: Jeanne (inanotherlife)
2018-11-08 18:04:23 CST (-0600)

When I was very young, my grandmother had just one volume of an expensive encyclopedia set. It was volume “M.” It had about 10 pages of full-color picture plates of mushrooms. Whenever we visited her, I would spend most of my time looking at those bizarre, exotic organisms. I didn’t really know what they were but I knew that they were something magical.

It’s been fun and interesting finding this site and I thank those who commented and helped me identify my mushroom. I intend to look for more specimens and post them here.

Hi Jeanne
By: jeff (theoneje)
2018-11-08 17:22:49 CST (-0600)

I meant that it was likely dried up when you found it and I believe the scalloping/flower appearance is due to environmental conditions rather than some innate feature of the mushroom (not to say that I am necessarily right, but this is not that uncommon).

Similar Shape
By: Jeanne (inanotherlife)
2018-11-07 22:37:28 CST (-0600)

After looking at all the photos for Leucoagaricus Locq. ex Singer (here and on Google images), I only found one with a similar shape and with no tearing to form the “petals”:

Observation 55088: Leucoagaricus Locq. ex Singer – from India.

Very lovely but with a concave cap instead of convex and blue staining.

Thanks, Jeff
By: Jeanne (inanotherlife)
2018-11-07 22:06:42 CST (-0600)

I’m not sure what you mean by “dried up/old.” It was still growing in the ground when I found it although it was folded over as if the cap had gotten too heavy for the stem to hold it up. Maybe the stem was drying out?

1) Do you mean that it was “old” when I found it? In other words, that it had been growing for such a long time (mushroom wise) and, maybe, the scalloping was caused by the cap getting so big that the edges split to accommodate the size?

I don’t know if mushrooms “heal” as they grow but the scallops definitely don’t show any signs of tearing (i.e. the edges are smooth and unscarred). It does have that split in the cap, though, which (to me) indicates that the mushroom was very mature.

2) Or do you mean that it was “old” in the sense that it was not freshly picked when photographed? I did carry it around in my backpack from about 11 am until I got home at about 4 pm. and then I forgot about it and didn’t take the photos until about midnight. I was surprised that it didn’t get crushed and still looked pretty much the way it did when I found it except that the stem was darker.

It is so odd-looking to me, almost like a flower. I only remembered to show it to one person who said she had never seen a mushroom like it, either. And it was growing all alone in the middle of a fairly urban area.

I was hoping that someone else might have a similar looking find.

Hi Jeanne
By: jeff (theoneje)
2018-11-07 20:45:18 CST (-0600)

Thanks for sharing your find—nice to see folks posting things from Hawaii. Alan was just suggesting that the mushroom you posted is in the genus Leucoagaricus, which has many species with various morphology. Because you only have one mushroom, it is unclear whether the scalloped edge is a reliable character (doubtful), or because the mushroom is dried up/old which caused it to look like that (more likely). If you find younger/more examples to post that would be great.

RE: Leucoagaricus Locq. ex Singer
By: Jeanne (inanotherlife)
2018-11-07 15:34:57 CST (-0600)

I can see how this has the coloring of Leucoagaricus Locq. ex Singer but, from looking at photos, I can’t see a single one with these distinctive scalloped edges. Is that just how it is with mushrooms?

Seeking Identification
By: Jeanne (inanotherlife)
2018-11-07 14:53:58 CST (-0600)

I’m not a collector. I just happened to see this beautiful mushroom and can’t identify it from photos.