-Agria (Grassy/forest)
-Aiur (Ruins)
-Albion (Rocky/grassland)
-Avernus (Rustic ruins)
-Bel Shir (Grass/forest/dirt)
-Braxis (Dark rocks/installation)
-Castanar (Frozen installation? There's no outside...)
-Char (Lava/Dirt)
-Haven (Basically the Lordaeron Summer tileset of Starcraft 2)
-Helios (Desert)
-Korhal (There are tilesets of Korhal1 - Korhal8, each tileset has one texture? Also, dirt/installation/ci
tyscape)
-Mar Sara (Desert/Barren rock/installation)
-Meinhoff (A twilight landscape, but uses "white sand" as well...)
-Monlyth (Moon/rock)
-New Folsom (Rustic dirt installation)
-Niflheim (The real snow/ice! Only one of the 8 tiles is installation)
-Port Zion (darkish dirt installation, rustic, lots of vents, so old really)
-Redstone (Just what it says... Looks like red sulfur and lava)
-Shakuras (Twilight/snow/dark rock)
-Tasonis (Surprisingly, darkish tan dirt/sand and installation)
-Typhon (Same deal as Korhal...? Also, kind of hard to see, but it looks like very VERY dark red rocks... No lava however)
-Tyrador (The SC2 version of the WC3 tileset "Cityscape", but in the future. Dirt, sand, and lots of tiles, little installation)
-Ulaan (Dark rock/moon rock)
-Valhalla (Bright sand, dark rocks, and installation)
-Xil (Sand/dirt/one spec of grass)
-Zhakuldas (Frozen swamp-like, soggy blue soil, dark rocks)
Pics:
http://www.hiveworkshop.com/forums/attachments/starcraft-ii-408/77179d1268361223-datamining-sc2terraintable.png
Original source:
http://www.hiveworkshop.com/forums/beta-information-sharing-center-648/tilesets-163532