Wirestem of Broccoli | Purdue University Vegetable Crops Hotline
How To Grow Broccoli From Stem Scraps: Beginner's Guide
Anatomy of broccoli (Brassica oleracea L., var. Italica). | Download Scientific Diagram
Vegetable: Brassicas, Clubroot | Center for Agriculture, Food, and the Environment at UMass Amherst
Broccoli root hair or mold? I've seen proper mold on sunflowers but this one is tricky to judge. It seems to only grow on the thin part of stem where i assume