Name Guessing Game

I am thinking of a species found within the following checklist: Resolving relationships and phylogeographic history of the Nyssa sylvatica complex using data from R
What am I thinking of?
Image of a plant Image of a flower Image of an apple
Image of a plant
Chances left = 6
Difficulty
Hard Hard Medium Easy Easy
Games Played 0
Games Won 0
Success Rate 0
Show Family
New Game
A B C D E F G H I
J K L M N O P Q R
S T U V W X Y Z ?
How to play:
  • Type or click on a letter to guess
  • Difficulty level affects how many chances you get: 3, 6, or 12
  • Showing the family uses one of your chances
  • Using the wild card [?] uses one of your chances
  • Spaces are already displayed for you
  • You cannot change settings settings while in the middle of a game
  • The "Show Family"/wild card cannot be used if you are down to your last guess