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Cyperus esculentus
Triangular stalk, 2ft tall or so, weed growing in my garden
No great mystery, Emily, I identified it for a spotting of my own the other day. So I was all ready when I saw yours! And I found another possibility for my mystery grass, maybe Foxtail Brome, Bromus rubens. Dunno, I can't find a photo of it with big seed heads. But see what you think ...
Wow neat! You totally found it! I wish I could ID your mystery grass! :) I don't know about eating it but I'll check into it. It's a really interesting little plant. So strange looking! How did you ever find this ID?? So smart...
Hi Emily! Yes, invasive. But if I'm understanding it correctly, the plant has small, nutty tubers which people dry and eat in some parts of the world. I can't find a large enough specimen to check for them ... and I don't think I would eat one without talking to an expert!