What Are These Specks On My Lettuce & Can I Eat Them?

Question

1. What are these specks? 2. How do I treat them? 3. Are these edible? (Fyi- One is red romaine, so it’s supposed to be that color.)

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Answer 1

That appears to be white rust. This will help:

https://www.gardeningknowhow.com/plant-problems/disease/white-rust-disease.htm