Summer Fungi (And Friends)

Mushrooms are 90-95% water and since we’ve had plenty of rain they’re popping up literally everywhere I go right now. When mushrooms appear you can’t dilly dally like you can with flowers; you’ve got to get to them relatively quickly, because animals like deer and squirrels will eat all they find in a matter of hours. What mushrooms animals don’t eat slugs and molds will. Nothing is wasted in nature and everything gets eaten in one way or another eventually, like the mushrooms in this photo; mold had started to cover them before they could even release their spores.

Here are a couple of slugs eating this mushroom; a common sight. Mushrooms don’t stay around long, so I’ve been in the woods every chance I had to get the photos that follow. I show them here not so you’ll run out and pick mushrooms to eat, but simply so you can see what is happening in the woods right now, and so you can enjoy their beauty as much as I do.

A jelly fungus called Calocera cornea covered this log. This tiny fungus appears on barkless, hardwood logs after heavy rains. The fruiting bodies are cylindrical like a finger coral fungus and it looks like a coral fungus, but microscopic inspection has shown it to be a jelly fungus. This photo shows only part of what covered this log. The huge numbers of what looked like tiny yellow flames licking out of the log was quite a sight.

Calocera cornea is called the small staghorn fungus, for obvious reasons. Each fruit body comes to a sharp looking point.

These are a good example of a coral fungus called spindle or finger corals (Clavulinopsis fusiformis.) They look quite different from the jelly fungus we just saw. The taller ones might reach an inch and a half high and their diameter is close to a piece of cooked spaghetti. They have the odd habit of growing in the packed earth of trails so I often find that they have been stepped on and broken. One fact helpful in identifying these yellow finger coral mushrooms is that they always grow in tight clusters, while look alikes do not.

There are many types of coral fungi in the woods at this time of year. They can be very hard to identify without a microscopic look at the spores but I think this one might be cockscomb or crested coral (Clavulina coralloides.) Crested corals have branches that end in sharp tips and these tips will often turn brown. I don’t see these as often as I do other types of coral fungi.

I’ve seen photos online of slime molds very similar to this one but the people who took the photos didn’t have any more luck identifying it than I did. For now all I can say is that it is a white slime mold, possibly a Physarum, in the plasmodium stage. I should also say that I had to use a flash for many of these photos because of the cloudy days and forest darkness. This plasmodial slime mold, like many others, moves using cytoplasmic streaming, which is basically a contracting of “muscles” by all of the separate nuclei until they come together in a single mass, when they shift from the growth to the fruiting stage.

One of the most fascinating things about slime molds is how they move. They are thought of as a giant single cell with multiple nuclei which can all move together as one at speeds of up to an inch per hour. They can also climb as they have on this tree.

As slime molds go, this many headed slime (Physarum polycephalum) is usually large and easy to see. This one covered a beech log. According to Wikipedia “A plasmodial slime mold is enclosed within a single membrane without walls and is one large cell. This super cell (a syncytium) is essentially a bag of cytoplasm containing thousands of individual nuclei.” Slime molds aren’t plants and they aren’t fungi. They come closer to being amoebas than anything else and are believed by some to have simple brains. My question is how they know what the others are “thinking?” They seem to have the same “group think” abilities as a school of fish or a flock of birds, and that is quite amazing.

People will tell you that there aren’t any blue slime molds but I tend to believe what I see over what people tell me so here is a blue slime mold that I’ve seen each year for the past three. These tiny things are so small all I can see is their color, like a blue smudge on a log. I can’t see any real detail by eye, so I have to let the camera see for me-quite literally “shooting in the dark.” From this blue stage they go on to become white.

NOTE: A helpful reader has identified this as a fungus called Chromelosporium coerulescens.

We go from the tiny to the huge; this tree stump was about 7 feet tall and was absolutely covered with oyster mushrooms (Pleurotus ostreatus.) The fallen part of the tree was also covered with them. I’ve never seen so many growing together.

Oyster mushrooms are pure white and seem to always grow in overlapping clusters like those in the photo. Oyster mushrooms have off center stems that usually grow out of the side of the log and are hidden by the cap when seen from above. That little insect might want to be careful; scientists discovered in 1986 that oyster mushrooms “exude extracellular toxins that stun [nematode] worms, whereupon the mycelium invades its body through its orifices.” What this means is that oyster mushrooms are actually carnivorous. They also consume bacteria (Pseudomonas and Agrobacterium) in order to get nitrogen and protein.

I’ve read that large amounts of water will cause deformation in chanterelle mushrooms (Cantharellus cibarius) and I wonder if that’s what is going on here. We have certainly had a lot of rain lately. Chanterelle mushrooms are considered a delicacy.

From the side chanterelles look like trumpets, but so do many other mushrooms including the false chanterelle. That’s why mushrooms should never be eaten unless you are absolutely sure you know what you’re eating. I’ve had mushroom experts tell me that you can never be 100% sure of a mushroom’s identity without examining its spores under a microscope. Since I don’t have a microscope that means you can never be sure of my identifications either, so please don’t eat any mushroom you see here until you have an expert examine it first. There are mushrooms so toxic that one or two bites have killed. We have mushroom walks led by an expert or experts here. If you want to become serious about mushroom foraging they are a good place to start.

If they’re small, sticky and orange with bell shaped caps and grow on a cluster on a log they must be orange mycena mushrooms (Mycena leaiana.) These little (less than an inch across) mushrooms fruit from June through September and are fairly common. If you touch them the orange color will stain your fingers. Mycena mushrooms also come in bright red, pink and purple. Some also bleed a blood colored latex when cut.

Young purple cort mushrooms (Cortinarius iodeoides) are very purple but lighten as they age. Squirrels and chipmunks won’t touch this one, possibly because it’s covered with a very bitter slime. This slime often makes the young examples look wet. Slugs don’t have a problem eating it and I often see white trails on the caps where they have eaten through the purple coating to the white flesh below.

Considering the weather we’ve had red hot milk caps (Lactarius rufus) seem appropriate. Milk caps get their name from the white milky latex they exude, which is said to be extremely hot and acrid. Though it looks like it has a ring on the stem just under the cap in this photo I think that must be slug damage to the stem itself, because this mushroom has no ring. Of course, I could also be wrong about its name.

To see very small things you need to re-train your eyes. (And your mind, somewhat) Jelly babies (Leotia lubrica) are what led me down that path years ago. One day I sat down on a stone to rest and looked down, and there they were. I was surprised by how tiny they were, but they helped me see that forests are full of things just as small and sometimes many times smaller. You need to be ready (and able) to flatten yourself out on the forest floor to get good photos of jelly babies. Each one in this group was smaller than a pea.

My Mushroom books don’t say much about club shaped fungi but I think this might be Clavaria ornatipes. This fungus is described as spatula or club shaped and greyish to pinkish gray. These fungi shrivel when they dry out and revive after a rain. They grew directly out of the ground and there were hundreds of them.

I’ve seen little orange mushrooms all over the place and they all seem to differ slightly is size, shape and color intensity. I think these might be chanterelle wax cap mushrooms (Hygrocybe cantharellus.) This type of mushroom is considered one of the most colorful and also one of the most aesthetically pleasing, according to mushroom identification books. One of my books even has them on its cover. I have to agree; they even look good broken.

What I think are horsehair parachute mushrooms (Marasmius androsaceus) look a lot like their cousins the tiny little pinwheel mushrooms (Marasmius capillaris,) except for the dark spot in the center of the cap. These mushrooms grow on leaf litter on the forest floor and help break down all the debris that falls from the trees. They usually grow in large groups but are so small many don’t see them. The caps on the largest of these might reach pea size on a good day.

By far the biggest mushroom that I’ve ever seen is Berkeley’s polypore (Bondarzewia berkeleyi.) I put a quarter above and to the right of the center of this one so you could get an idea of how big this monster was. It must have been 2 feet across at its widest point. This mushroom grows at the base of hardwoods in the east and in the west a similar example, Bondarzewia montana, grows at the base of conifers.

If you happen to see a mushroom that looks like it stuck its finger in a light socket you’re probably seeing something rarely seen. Called a “mycoparasitic mucorale,” Syzygites megalocarpes pin mold has been found on about 65 different mushrooms, but it will only appear when the temperature and humidity are absolutely what it considers perfect. It has multi branched sporangiophores that make the mushrooms it attacks look like it is having a bad hair day. This pin mold can appear overnight and starts off bright yellow, but as it ages it becomes paler until finally turning a blue gray color. It looks on the whitish side in this photo because I had to use a flash. It’s best not to get too close to these molds because inhaling their spores can make you very sick.

That’s all I have for mushrooms right now and for most of you that’s probably more than enough. I’m sorry for putting so many photos in this post but once you get bitten by the mushroom bug you can’t seem to stop looking for them, always hoping you’ll see something as adorable as these butter wax caps (Hygrocybe ceracea.) I hope you find all of them as beautiful as I do but if not I hope you will at least find them as interesting. I also hope you’ll see some of them for yourself.

Wild mushrooms and carpets of moss and bumblebees turning figure eights in the slashes of sun in the woods, as if they too are stupefied by the beauty of the place. ~Smith Henderson

Thanks for stopping in.