Plants edible for humans? (hypothetical plant-only tank)

[Lupin]

Wow, I've never given this much thought.lol

 

[Slappy*McFish]

Interesting thread. Thanks for posting.

 

[rocker92]

this should be a sticky!!!

 

[DAVIDFBT]

I remember trying a piece of pennywort leaf. It tastes pretty lemony, but also how it smells like when you break a leaf or stem.

 

[paperdragon]

Would've gotten back to this sooner, but I lost my internet for a few days.

Thanks for the info everyone!