Andrew Jackson's Nickname, Old __; Type of Tree
This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1577, Puzzle 5 (Join Conservation Group).
Question is: Andrew Jackson's Nickname, Old __; Type of Tree
and the answer is: HICKORY
Word Meaning:
HICKORY — (countable) Any of various deciduous hardwood trees of the genera Carya and Annamocarya, one species of which, Carya illinoinensis, is the source of pecan nuts.
Definitions from Wiktionary.