Category Archives: fungi

More woodland rusts

15 Friday Apr 2022

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I was admiring the glorious display of Primrose in a local wood when I noticed that many of the plants’ leaves had yellowish spots on their upper leaves. Rust, I thought, and, sure enough, on turning the leaves over, I could see the tiny cup-shaped aecia on the undersides, which confirmed this as Primrose rust (Puccinia primulae).

I found this second rust during today’s woodland meander. It’s Melampsora populnea on Dog’s mercury (Mercurialis perennis). Once again, there are yellowish marks on the upper leaves and, this time, rather than cups, there are minuscule splodges of yellow underneath. Neither of these rusts seems to do much harm to the plants.

Woodland rusts

08 Friday Apr 2022

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During my wander through a local woodland earlier this week, while admiring the golden carpets of Lesser celandine, I noticed small spots on some of the leaves. Closer examination and some photos showed that this was the rust Uromyces dactylidis, also known as Celandine clustercup fungus for the clusters of tiny orange cup-shaped aecia on the undersides of the leaves.

Once I had my ‘rust eye’ in, I then noticed more on other plants. Many, like Bluebell rust (Uromyces muscari) I have covered here before but this one, Melampsora epitea on Spindle (Euonymus europaeus), was a new one for me.

220408 Melampsora epitea (1)

Bird’s-nests revisited

11 Friday Feb 2022

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Tuesday’s walk took me past the site where I found the Shooting star and Common bird’s-nest fungi last month. Both are still thriving, and I thought I’d share this photo, which shows the bird’s-nest fungi much more clearly than in my previous post. It’s easy to see how they got their name.

220211 common bird's-nest

Shooting stars

14 Friday Jan 2022

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This was a first for me, an amazing cluster of fungi within inches of the Common bird’s nest fungi I blogged about yesterday. Variously named ‘Shooting star’, ‘Shotgun’, Artillery’ and ‘Cannonball’ fungus, Sphaerobolus stellatus gets its name from the way it shoots out its spores, apparently with a popping sound that you can actually hear and at a force that sends them flying up to 6 metres.

220114 shooting star (1)

I haven’t been able to find a lot of information about this fungus except for the Wikipedia entry on the genus Sphaerobolus, which looks reliable and includes some of the more technical details of its eruptive system, if you’re interested in the nitty gritty. I’m planning to return when it’s drier for another look and to get better photos.

Common bird’s nests

13 Thursday Jan 2022

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I had planned a long walk along a local beach but unforecast hail and almost constant showers sent me stomping homeward sooner than expected, a little disappointed at not seeing many waterfowl. And then a splash of yellow on the ground caught my eye, a blob of Witch’s butter (Tremella mesenterica) on a small fallen branch. But, even better than the butter, my eye was drawn to this fabulous cluster of Common bird’s nest fungi (Crucibulum laeve), a species that’s more common than you might think but very easily overlooked because of its small size.

I’ve blogged about these fungi before (Bird’s-nests with eggs!, August 2017) – click on the link to see better photos, taken in dry weather, when the details of the nests and their eggs can be more clearly seen. And check out tomorrow’s post for some even more amazing fungi, lurking right next to these bird’s nests.