That’s the very things. Seems to me there’s also some kind of fruity myth about Martian blueberries, but I didn’t have the heart to re-experience that kind of foolishness, and didn’t do a search.
Did you see the link I posted where you can see a lake on Mars (liquid water, not water ice)? If it is warm enough for Mars to have lakes and plant life then we really need to send astronauts to Mars. If there are artificial structures there we need to investigate those, too!