Are maple tree seedlings edible?

Maple tree seedlings appear all at once here, it seems, through vast swaths of the forest. Usually I spot them on February 11th (a friend’s birthday, so easy to remember) but this year they’re over a month late. At any rate, they’re everywhere now. And they look so much like the sprouts I grow in my kitchen that I wonder if I can add baby maple trees to my salads.

Nancy J Turner’s Food Plants of Coastal First Peoples says this about aboriginal use of Broad-leaved Maple:

Broad-leaved Maple was not widely used as food, but the Saanich and Cowichan placed the leaves in steaming pits to flavour meat, and according to Barnett (1955), the Vancouver Island Salish ate the fresh cambium in small quantities, although “it made one thin to eat too much”. The cambium was constipating, so was eaten with oil. It was also occasionally dried in criss-cross stips for winter. The Nlaka’pamux people at Spuzzum, near Yale in the Fraser Canyon, and possibly also the Upper Sto:lo peeled and ate young maple shoots raw, and also boiled and ate the sprouts when they were about 3 cm tall.

So! That sounds promising, yes?

I wonder if Susannah of Wanderin’ Weeta has eaten maple seedlings. She’s not too far from me, and notices lots of details in the forest. The photos she publishes are so often like the ones I have just taken!