Red Trillium or "Wake Robin"
The Tamron lens seems to shine when taking macro shots.
I have not been impressed with long distance images at 300 mm (with tripod).

The Thousand Acre Swamp is a wildlife sactuary owned by The Nature Conservancy and is located in the Rochester suburb of Penfield. It is completely surrounded by housing developments, and I'm guessing many of the local residents are totally unawre of what they have in their backyard!