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Northern Tooth
Welcome to the final Mushroom Monday of 2025. We’ll end with a large and easy-to-identify species that hasn’t been recorded all that often on the Island: Northern Tooth ( Climacodon septentrionalis ). As we’ve seen throughout this series, mushrooms come in all shapes and sizes, and can share physical traits without being closely related. The spore-bearing surface of Northern Tooth has spine-like ‘teeth’ rather than gills, folds, or pores (inset photo). Despite this, it is m
katemacquarrie22
Nov 30, 20253 min read


Bog Birch
This fall, we’ve been exploring some of PEI’s least-common trees, including Balsam Poplar, Ironwood, and Jack Pine. Today it’s one many people haven’t even heard of: Bog Birch ( Betula pumila ). We often think of Birch as among the majestic trees of PEI’s early forests. Nineteenth century writers told of Yellow Birch ( Betula alleghaniensis ) three to four feet in diameter, and it was said that Mi’kmaq people were able to make a six-person canoe from the bark of a single Wh
katemacquarrie22
Oct 29, 20252 min read


Brown Roll-Rim
Welcome back to Mushroom Monday, your weekly look at some of PEI’s fascinating fungi. This week we have the interesting, toxic, and...
katemacquarrie22
Sep 28, 20252 min read


Bark Photosynthesis
It’s spring and all my favourite signs are here: snow is melting, birds are returning, and tree bark is photosynthesizing. Wait – what?!...
katemacquarrie22
Mar 22, 20232 min read
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