The Levels Required Are..
1=Guam
14=Marrentill
19=Tarromin
26=Harralander
32=Ranarr
38=Toadflax
44=Irit
50=Avantoe
56=Kwaurm
62=snapdragon
67=Cadatine
73=Landatyme
79=DwarfWeed
85=Tortsol
The Amounts Needed are About..
1 guam
1 marrentil
2 Tarromin
1 Harralander
2 ranarr
3 Toadflax
4 avantoe
5 Kwuarm
5 Snapdragon
10 Cadantine
15 landatyme
21 Dwarf Weed
110 Tortsol
I say about because you get exp for picking the plant and u get 3-5 herbs per plant so it could be more or less this is what i Came out with!
Thanks for viewing!