For the answer to the question above, this plant is more likely a kind of "liverwort plant" they are flowerless and they are spore-producing plants and non-vascular. There are estimated of 9,000 species of this kind of plant. I hope this helped
1 you run out of fuel 2 it takes a long time 3 it’s hard to get back 4 the conditions are constantly changing making it harder to predict what could happen. Look at Apollo 12 as a example