A Croninger elf with a carnivorous garden, and something mysterious has happened to it - and he's certainly not an adventurer.
A crawl down a passage past needle sharp whiskers tat allow you to go down, but not up. a fight at the bottom with Myconids (Mushroom people)
a hydra-like venus fly trap
a series of glue dots (like sundews) that stuck people fast as cactaurs attacked
a huge pitcher plant well with thorn spiders that swarmed out of a hole in the side.
a white plant person - white. Without chlorophyll, the only way a white plant survives is by stealing energy from other plants. It's a vampire!