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Kate MacQuarrie

@katemacquarrie.bsky.social
58 followers 16 following 197 posts

Award-winning biologist, naturalist, and author in Prince Edward Island, Canada

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Kate MacQuarrie @katemacquarrie.bsky.social · 12h
There’s a bright flame in PEI’s forests right now, but this one is helpful rather than harmful. Learn more in today’s post! www.pei-untamed.com/post/flame-t...
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Flame Trumpet
It’s mushroom Monday, and this week we have the eye-catching, edible, and ecologically-helpful Flame Trumpet (Craterellus ignicolor). No matter how much or how little interest you have in wild mushroo...
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Kate MacQuarrie @katemacquarrie.bsky.social · 30/09/2026
With apologies to arachnophobes everywhere, have you ever thought about how many spiders there may be on each acre of grassland? Learn about that and more in today’s post! www.pei-untamed.com/post/yellow-...
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Yellow Garden Spider
Fall is peak spider season on PEI, and the most commonly-reported of our nearly 200 different species is the lovely Yellow Garden Spider (Argiope aurantia).If you are among the 6% of the population th...
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Kate MacQuarrie @katemacquarrie.bsky.social · 27/09/2026
What’s small and purple and lives in PEI’s forests? Find out in today’s post! www.pei-untamed.com/post/violet-...
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Violet Coral
It’s Mushroom Monday and, as we’ve seen already this season, PEI’s fungi come in a variety of colours and shapes. This week, we have another species that is neither ‘mushroom brown’ nor stereotypicall...
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Kate MacQuarrie @katemacquarrie.bsky.social · 23/09/2026
Grapes aren’t just for vineyards and supermarkets: at least one variety grows wild on PEI. Learn more in today’s post! www.pei-untamed.com/post/wild-gr...
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Wild Grapes
You’re likely familiar with sweet, seedless supermarket grapes, and perhaps you’ve visited one of PEI’s commercial vineyards. But did you know that the Island has wild grapes as well? Meet the Riverba...
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Kate MacQuarrie @katemacquarrie.bsky.social · 20/09/2026
What do mushrooms, fenugreek, and curry all have in common? Check out today’s post to find out! www.pei-untamed.com/post/curry-m...
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Curry Milkcaps
It’s Mushroom Monday, and if you’ve never noticed the similarities between the smell of maple syrup and that of curry, today’s species might surprise you. Meet the Curry Milkcap (aka Candy Cap, Lactar...
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Kate MacQuarrie @katemacquarrie.bsky.social · 16/09/2026
Looking for spicy flavours among our wild plants? This native species has you covered! Learn more in today’s post. www.pei-untamed.com/post/horseweed
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Horseweed
What comes to mind when you think about wild foods: bitter greens, sweet berries, meaty mushrooms? Spicy may not be at the top of your wild tastes list, but PEI does have some delightfully peppery pla...
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Kate MacQuarrie @katemacquarrie.bsky.social · 13/09/2026
One of the most toxic mushrooms in North America grows in PEI forests, but it’s really nothing to be afraid of. Learn more in today’s post! www.pei-untamed.com/post/destroy...
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Destroying Angels
It’s Mushroom Monday, and this week we have one of PEI’s most notorious species. Despite its reputation, this mushroom is beautiful, ecologically important, and perfectly harmless if you don’t eat it....
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Kate MacQuarrie @katemacquarrie.bsky.social · 09/09/2026
They may look like Lady Beetles but they’re not! Check out today’s post to learn about these red-and-black bugs that may be appearing now in a habitat near you! www.pei-untamed.com/post/white-m...
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White-margined Burrowing Bug
I love getting questions about the wild side of PEI and so was thrilled to get this photo from Megan Jones. She found this clump of bright red insects in some old straw near her barn and was curious a...
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Kate MacQuarrie @katemacquarrie.bsky.social · 06/09/2026
September marks the return of my weekly PEI mushroom series, so let’s start with something that will catch your eye…..and nose! Learn more in today’s post. www.pei-untamed.com/post/stinky-...
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Stinky Squid
September on PEI doesn’t just mean shorter days, cooler weather, and back to school. It also means the return of Mushroom Mondays! Let’s kick the season off with a species that reminds us just how str...
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Kate MacQuarrie @katemacquarrie.bsky.social · 02/09/2026
Joe Pye Weed is beautiful, native, medicinal, and ecologically-important….plus, it has a cool name! Learn more about both plant and name in today’s post! www.pei-untamed.com/post/joe-pye...
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Joe Pye Weed
PEI’s late summer landscape belongs to the Aster Family: yellow Goldenrods, purple Asters, and – one of my personal favourites – pink Joe Pye Weed (Eutrochium maculatum). There are five Joe Pye specie...
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Kate MacQuarrie @katemacquarrie.bsky.social · 30/08/2026
This time of year, people are sometimes surprised to learn that those “berries” on their fruit tree are really apples. Learn more in today’s post! www.pei-untamed.com/post/crab-ap...
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Crab Apples
One of the most common questions I’m asked this time of year is: what are these berries on my tree? In many cases, the answer is Crab Apples (Malus spp.)! On PEI (and probably elsewhere), it’s common ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 26/08/2026
Today’s PEI plant native, easy-to-grow, beautiful, and delicious. What more could you ask for?! Learn about Staghorn Sumac in today’s post. www.pei-untamed.com/post/staghor...
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Staghorn Sumac
The Mi’kmaq have a name for each full moon of the celestial calendar, with August’s being the Berry Ripening Moon (Kisikewiku’s, pronounced gis-ig-ay-we-goos). This is indeed peak berry season on PEI,...
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Kate MacQuarrie @katemacquarrie.bsky.social · 23/08/2026
Predators that can regenerate lost limbs may sound like something from science fiction, but it describes animals common around PEI’s coast. Learn more in today’s post! www.pei-untamed.com/post/sea-stars
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Sea Stars
PEI has many interesting wild animals, but some of the most beautiful – and unusual – are Sea Stars, often called Starfish. The waters around PEI are home to at least five species, including the Commo...
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Kate MacQuarrie @katemacquarrie.bsky.social · 19/08/2026
Here on PEI it seems like everyone is asking: what’s up with the Maple leaves? Find the answer in today’s post! www.pei-untamed.com/post/tar-spot
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Tar Spot
Welcome back to Ask a Naturalist, your own personal Google for information on all things natural on PEI. My inbox is overflowing with the question “why are so many Maple trees losing their leaves earl...
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Kate MacQuarrie @katemacquarrie.bsky.social · 16/08/2026
The names ‘Horse Fly’ and ‘Deer Fly’ are used interchangeably, but they are different - albeit equally annoying! - animals. Learn the difference in today’s post! www.pei-untamed.com/post/horse-f...
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Horse Flies
I would have liked a better-composed and more in-focus photo of today’s PEI animal, but I was under attack by a hoard of these fierce creatures. If you’ve met them, you know what I mean: these are Hor...
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Kate MacQuarrie @katemacquarrie.bsky.social · 12/08/2026
Modern research is confirming some of the traditional medicinal uses of this plant, introduced to PEI in the 19th century. Learn more in today’s post! www.pei-untamed.com/post/mugwort
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Mugwort
I get lots of questions about where to find certain PEI plants, but three species top the list: Common Elderberry, Serviceberry, and today’s subject: Mugwort (aka Common Wormwood Artemisia vulgaris). ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 09/08/2026
Goldthread is a beautiful, native forest wildflower with a long history of medicinal use. Learn more in today’s post! www.pei-untamed.com/post/goldthr...
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Goldthread
Today’s PEI plant epitomizes the saying ‘big things come in small packages’. Meet Goldthread (Coptis trifolia). Goldthread is a member of the Buttercup family (Ranunculaceae) and is common, though oft...
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Kate MacQuarrie @katemacquarrie.bsky.social · 05/08/2026
Today’s PEI plant tends to be overlooked entirely or mistaken for Poison Ivy, but it had an (albeit short lived) economic heyday. Learn more in today’s post! www.pei-untamed.com/post/sarsapa...
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Sarsaparilla
One of PEI’s most common woodland plants is often overlooked, occasionally misidentified, and fruiting now. Meet Sarsaparilla (pronounced ‘sass-parilla’, Aralia nudicaulis). Sarsaparilla is about 30 t...
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Kate MacQuarrie @katemacquarrie.bsky.social · 02/08/2026
It’s tempting to assume that any plant growing in a disturbed habitat is non-native, but we have many native, ruderal species. One lovely - though potentially hazardous - example is featured in today’s post! www.pei-untamed.com/post/foxtail...
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Foxtail Barley
As fields of grain ripen across PEI, you may have noticed a similar, though smaller, plant growing along roadsides, coastlines, and trails. Although this plant hangs out in human habitats and looks li...
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Kate MacQuarrie @katemacquarrie.bsky.social · 29/07/2026
Today’s PEI plant is certainly invasive, but I’ve seen it called “one of the most toxic plants” on the Island, which is far from the truth! Check out today’s post to learn more! www.pei-untamed.com/post/bitters...
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Bittersweet Nightshade
Today’s PEI plant is one that I’ve received many questions about, along with a request to do a post on it. So, meet Bittersweet Nightshade (Solanum dulcamera)! If these flowers remind you of tomato or...
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Kate MacQuarrie @katemacquarrie.bsky.social · 26/07/2026
Jellyfish are part of summer on PEI, but why do they seem to suddenly appear and what’s the best way to treat a sting? Find out in today’s post! www.pei-untamed.com/post/jellyfish
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Jellyfish
There are certain, shared experiences that unite those of us who grew up on PEI. For example, getting storm-stayed in winter, going to the beach in summer, and having annual run-ins with Jellyfish! Th...
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Kate MacQuarrie @katemacquarrie.bsky.social · 22/07/2026
A variety of plants and fungi help land recover from large-scale disturbances such as fire and hurricanes. One of the most important - and loveliest - is fireweed. Learn more in today’s post! www.pei-untamed.com/post/fireweed
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Fireweed
PEI has wildflowers that are beautiful, edible, and ecologically important. Today we have an example that’s all three, and flowering now: Fireweed (Chamaenerion angustifolium)! Fireweed can be found a...
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Kate MacQuarrie @katemacquarrie.bsky.social · 19/07/2026
Fireflies are important, but declining, parts of our wild fauna. Learn more about these amazing insects in today’s post! www.pei-untamed.com/post/fireflies
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Fireflies
We humans tend to divide insects into two camps. There are those we don’t like (Earwigs, I’m looking at you!), and those we do, with no better example than Fireflies. I captured this lone Firefly’s fl...
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Kate MacQuarrie @katemacquarrie.bsky.social · 15/07/2026
Today’s non-native but edible plant is likely growing somewhere in your neighbourhood. Meet Ox-eye Daisy! www.pei-untamed.com/post/ox-eye-...
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Ox-eye Daisy
This week, we’re looking at a couple of edible non-native wildflowers that are in season right now. On Monday, it was Tufted Vetch; today we have Ox-eye Daisy (Leucanthemum vulgare). Most people are f...
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Kate MacQuarrie @katemacquarrie.bsky.social · 12/07/2026
This week, I’m featuring a couple of colourful, though non-native, wildflowers you can add to your menu. First up: Tufted Vetch! www.pei-untamed.com/post/tufted-...
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Tufted Vetch
This week, we’re looking at a couple of edible non-native wildflowers that are in season right now. First up: Tufted Vetch (Vicia cracca). Tufted Vetch is a member of the Pea Family (Fabaceae) with cl...
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Kate MacQuarrie @katemacquarrie.bsky.social · 09/07/2026
This plant has been used medicinally for millennia, ornamentally for centuries, and may be added to the list of plants banned for medicinal use in Canada later this year. Find out what all the fuss is about in today’s post! www.pei-untamed.com/post/common-...
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Common Comfrey
There are some PEI plants that, when I find them, suggest there was once a homestead nearby. Wild Apples and abandoned Lilacs are two examples, but so too is Common Comfrey (Symphytum officinale). Com...
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Kate MacQuarrie @katemacquarrie.bsky.social · 05/07/2026
Mushrooms are popping up everywhere on PEI right now, including species I haven’t seen before, such as the Red-mouth Bolete. Learn more in today’s post! www.pei-untamed.com/post/red-mou...
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Red-mouth Bolete
I love meeting a new-to-me mushroom, and so was quite happy when I found these among my favourite patch of King Boletes (aka Porcini) last week. Meet the aptly named Red-mouth Bolete (Neoboletus subve...
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Kate MacQuarrie @katemacquarrie.bsky.social · 04/07/2026
Boletes are in abundance on PEI this year, and I’m finding tons of tasty Kings under Spruce, and lots of these lovely, edible Banana Boletes (Hemileccinum subglabripes) under hardwoods. Learn more, including how to identify them, here: www.pei-untamed.com/post/banana-...
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Banana Bolete
PEI’s dry summer has made for poor mushroom hunting so far. My go-to spots have yielded just a handful of edible Chanterelles and Meadow Mushrooms, a mixed-bag of Russulas, the ubiquitous Fly Agaric, ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 01/07/2026
Today’s PEI plant is found across Canada, but associated mostly with coastal sand dunes here in the east. And no matter what taxonomists say, it’s still a Lily to me! www.pei-untamed.com/post/starry-...
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Starry False Solomon's Seal
When we think about wildflowers, coastal areas often get overlooked in favour of fields, forests, and roadsides. But that means missing some of PEI’s loveliest native plants, including Starry False So...
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Kate MacQuarrie @katemacquarrie.bsky.social · 28/06/2026
It’s beautiful, native, good for wildlife, and easy to grow. Learn more about Alternate-leaved Dogwood (and maybe be inspired to add it to your garden) in today’s post! www.pei-untamed.com/post/alterna...
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Alternate-leaved Dogwood
It’s great to see landscaping with native plants becoming mainstream. Many nurseries now carry at least some native species and seed mixes, while PEI’s Rural Beautification Society has added a Native ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 27/06/2026
“Is this edible?” should never be the first question you ask about a plant or mushroom. Learn why in today’s post! www.pei-untamed.com/post/is-this...
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Is this edible?
This year’s damp weather may not be popular with everyone, but it has been great for mushrooms! The abundance of fruiting fungi has brought out a crop of social media posts asking about edibility. Her...
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Kate MacQuarrie @katemacquarrie.bsky.social · 24/06/2026
Fungi are cool. Fungi that infect wildflowers and transform them from pretty to grotesque are cooooool! Find out what’s going on in today’s post! www.pei-untamed.com/post/chokech...
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Chokecherry Flower Galls
Welcome back to Ask a Naturalist, your own personal Google for information on all things natural on PEI. I’ve been receiving photos of deformed Chokecherry (Prunus virginiana) flowers from around the ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 21/06/2026
Most Hawthornes are difficult to identify to species, but not this one! Learn about our non-native English Hawthorne in today’s post. www.pei-untamed.com/post/english...
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English Hawthorne
If you’ve been travelling in central PEI lately, you’ve likely noticed a showy roadside tree with dense clusters of white flowers along the topsides of its branches – gardeners may be reminded of a gi...
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Kate MacQuarrie @katemacquarrie.bsky.social · 17/06/2026
Red Squirrels aren’t always red, and PEI has more black-furred Red Squirrels than do our neighbouring provinces. Read about melanism in today’s post! www.pei-untamed.com/post/melanis...
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Melanistic Red Squirrels
Wildlife doesn’t always follow the rules, and despite their name, Red Squirrels are sometimes black. PEI has a higher-than-average number of black-furred Red Squirrels (such as this one photographed b...
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Kate MacQuarrie @katemacquarrie.bsky.social · 14/06/2026
Lilacs are beautiful, edible, non-native (but not invasive), and among the first plants brought by settlers to North America. Learn more in today’s post! www.pei-untamed.com/post/common-...
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Common Lilac
Some PEI plants are inextricably linked with people – not only in how the species arrived here, but also in their ongoing social and cultural value. I can think of no better example than the Common Li...
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Kate MacQuarrie @katemacquarrie.bsky.social · 10/06/2026
The same traits that make plants attractive to gardeners also make them potentially invasive. Honeysuckles are problematic across North America, including here on PEI. Learn more in today’s post! www.pei-untamed.com/post/tartari...
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Tartarian Honeysuckle
Public awareness of invasive species is high now, but that hasn’t always been the case. In the 1800s, if a foreign plant was edible, medicinal, or pretty, it was brought to North America without much ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 07/06/2026
Welcome to National Insect Appreciation Days (June 8-13). And what better insect to kick things off here on PEI than the beautiful Virginia Ctenucha? Learn more in today’s post! www.pei-untamed.com/post/virgini...
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Virginia Ctenucha
Welcome to Insect Appreciation Days, celebrated from June 8 – 13th annually, thanks to the Entomological Society of Canada. And what better insect to profile than PEI’s most commonly-reported moth, th...
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Kate MacQuarrie @katemacquarrie.bsky.social · 03/06/2026
If you live outside of northeastern North America, you may not be familiar with this beautiful, common, native PEI plant. Check out today’s post to learn about the flowering shrub that’s inspired everything from poetry to the name of a scientific journal! www.pei-untamed.com/post/rhodora
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Rhodora
Right now, wildflowers are doing an amazing job of brightening up PEI’s spring landscape. Even bogs – habitats that go unnoticed most of the year – are putting on glorious displays of colourful Rhodor...
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Kate MacQuarrie @katemacquarrie.bsky.social · 31/05/2026
Smallest, most agile, highest metabolism - Hummingbirds are creatures of extremes. Learn more about PEI’s Ruby-throated Hummingbird in today’s post! www.pei-untamed.com/post/ruby-th...
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Ruby-throated Hummingbirds
With their tiny size, fearless personalities, and amazing agility, Hummingbirds capture our imaginations in a way few other birds can. PEI has only one species – the Ruby-throated Hummingbird – and th...
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Kate MacQuarrie @katemacquarrie.bsky.social · 27/05/2026
Unlike many of our other familiar fruits, Apples are not native to PEI. And while many people have eaten Apples, fewer know that Apple flowers are edible, too! Learn more about wild Apples in today’s post! www.pei-untamed.com/post/wild-ap...
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Wild Apple
I love flowering tree season on PEI. Right now, roadsides and hedgerows are alive with blossoms of Chokecherry, Pin Cherry, Hawthorne, Serviceberry and soon, the showiest of all: wild Apple. Unlike ma...
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Kate MacQuarrie @katemacquarrie.bsky.social · 24/05/2026
Blister-causing blood and hitch-hiking on bees? Yes, please! Meet the fascinating, native Oil Beetle (aka Short-winged Blister Beetle). www.pei-untamed.com/post/oil-bee...
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Oil Beetles
Perhaps it’s because there are so few blue plants, animals, or fungi in nature that they seem to really catch our attention. That is definitely true of this beautiful Oil Beetle (aka Short-winged Blis...
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Kate MacQuarrie @katemacquarrie.bsky.social · 20/05/2026
LBMs (little brown mushrooms) are challenging even for experts. A good place to start is by narrowing your specimen down to family. Check out today’s post to learn how to ID the Entoloma Family! www.pei-untamed.com/post/entolom...
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Entolomatoid Mushrooms
Late summer and fall may be peak mushroom seasons on PEI, but spring has fungi to find, too! While checking my go-to spots for Morels this week, I found lots of these Entolomatoid Mushrooms (Family En...
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Kate MacQuarrie @katemacquarrie.bsky.social · 17/05/2026
It’s that time of year again! Love ‘em or hate ‘em, June Bugs do provide useful ecological services - when they’re not getting stuck in our hair, that is. Find out more in today’s post! www.pei-untamed.com/post/june-bugs
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June Bugs
They’re baaaack! Here in Central PEI, the first Hummingbird and the first June Bug arrived within a couple of days of each other last week. Most people look forward to seeing the tiny birds far more t...
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Kate MacQuarrie @katemacquarrie.bsky.social · 13/05/2026
Names are important in biology! Now is the time to enjoy some fresh, Wild Lily-of-the-Valley leaves, but don’t confuse this species with the garden plant of the same name. Check out today’s post to learn more! www.pei-untamed.com/post/wild-li...
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Wild Lily-of-the-Valley Leaves
One of the nicest treats of a PEI spring is harvesting your own fresh, local food after a winter of stored root vegetables and imported fare. Fiddleheads, dandelions, cat-tails, dock, watercress, and ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 10/05/2026
Sometimes ‘lookalike’ plants aren’t that similar at all once you get to know them. For example edible (and delicious) cat-tail, sometimes found alongside toxic iris. Learn the difference in today’s post! www.pei-untamed.com/post/edible-...
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Edible Cat-tail vs. Toxic Iris
PEI has so many wild foods on offer in May: fiddleheads and nettle greens, burdock and primrose roots, morel mushrooms and pheasant’s backs, and so much more! Cat-tails (Typha latifolia) are versatile...
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Kate MacQuarrie @katemacquarrie.bsky.social · 06/05/2026
Today’s species will be familiar to those on both the east and west coasts of North America. But did you know it’s a true plant and not a seaweed? Check out the amazing Eelgrass! www.pei-untamed.com/post/eelgrass
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Eelgrass
There’s one PEI plant that most people are very familiar with, but few have seen growing in its natural habitat: Eelgrass (Zostera marina).  This is how most of us know Eelgrass: washed up along the s...
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Kate MacQuarrie @katemacquarrie.bsky.social · 03/05/2026
Can you tell which of the needles in the photo are tasty and which are toxic? Check out today’s post and stay safe when foraging! www.pei-untamed.com/post/edible-...
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Edible Fir vs. Toxic Yew
It’s almost conifer-tip season, that time of year when we can enjoy the tasty, Vitamin-C-rich, new growth of our needle-leaved trees. While all of our conifer trees are edible, PEI does have one poiso...
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Kate MacQuarrie @katemacquarrie.bsky.social · 29/04/2026
The return of Canada Geese brings the return of their feeding sign in PEI’s bays and estuaries. Check out today’s post for some cool examples! www.pei-untamed.com/post/geese-a...
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Geese and Mussels
The sound of Canada Geese is one of my favourite signs of spring – “goose music”, as Aldo Leopold called it. Their northerly migration is also marked by the return of feeding signs in PEI’s bays and e...
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Kate MacQuarrie @katemacquarrie.bsky.social · 26/04/2026
Beautiful but deceptive; edible but toxic. Meet Marsh Marigold in today’s post! www.pei-untamed.com/post/marsh-m...
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Marsh Marigold
As a botanist, I confess to teasing birders from time to time: groups of people flocking to the same spot to see an unusual species – really? But then spring rolls around and I eat my words as I make ...
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Kate MacQuarrie @katemacquarrie.bsky.social · 23/04/2026
Often, the best thing we can do for wildlife is the one thing we find the hardest: leave them alone. Check out today’s post to learn why! www.pei-untamed.com/post/baby-wi...
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Baby Wildlife
Spring is a time of renewal, including for PEI’s wildlife. Early breeders such as Coyotes, Foxes, and Ravens have their young now, and others such as Snowshoe Hares, Striped Skunks, and Red Squirrels ...
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