Grass Wilderland:

Roll 1-D20 for every day's travel, or 1 space moved, on the Grass Wilderland map.
Needed roll for an encounter: 16+

D20
Roll:    Encounter:
1-2:      Ant, Large
3-4:      Bandit, Common
5-6:      Centipede, Large
7-8:      Coyote, Common
9-10:    Lizardman, Common
11-12:  Organic, Fledgling
13-14:  Rat, Large
15-16:  Snake, Large
17-18:  Snakeman, Common
19-20:  Spider, Large

Once the encounter has been determined, click on that encounter to go to it.