Collect infected flower samples is an objective in the Story Mission, Spore Chores in Borderlands 2: Commander Lilith and the Fight For Sanctuary
- Time to head into the new area, the Miasma Sink.
- Inside this area is a lot of gas, which does power up the Vault Hunter.
- You will start encountering Necrotizing Skags and Necrotizing Spore.
- Make your way to the central Western side.
- Here, you can find a Infected Flower.
- Destroy it to to have a Infected Flower Sample.
- Destroy it and from there, head over to the Northwest, going around the root.
- Be wary of the Necrotizing Tendrils along the Western side of the room.
- Turn to the North from there and look on the other side to find another Infected Flower.
- Finally, head into the middle section of the Sink, across from the entrance to the elevator.