Plants that need minimal sunlight

I'm working on a world building project where humans have settled a tidally locked planet, and I'm trying to figure out what sort of plants can grow in perpetual twilight. I could obviously go the genetic modification route, but I want to at least try finding some existing earth plants before I go with that or "whoops, all fungi." Also, if you can think of any land based sources of energy other than the sun, that's appreciated.