(THE CACHE IS NOT AT THE POSTED COORDINATES)

THORNS!!
Answer the following questions to come up with the coordinates for the North. For the West, you will need to see the attached photo. Identify the common plant name from each photo, convert the "X" and "Y" letters to numbers and complete the simple math.
(N 41 3 A . B C D W 90 2 E . F G H)
A: While a stinging nettle doesn't have thorns, it does have stinging hairs that come off when touched. How many sub-species of Urtica dioica exist? Five (1) Six (2) Seven (3)
B: Which of the following trees has thorns? Honey Locust (0) White Oak (1) Black Spruce (2)
C: The primary purpose of plant thorns are:
They're plants, they don't have a purpose! (6)
Provide nitrogen into the roots of the plant for regeneration (7)
Deter animals from eating plant material (8)
Move chlorophyll through the enzymes (9)
D: According to botanical language, which of the following do roses have:
Spines (5), Prickles (6) or Thorns (7)