Updated Sep 29, 2012:
List extracted from the internal asset data table in client version 0.8.6.
CL-Anubian_Control_Powered
CL-AridBush1
CL-AridBush2
CL-AridBush3
CL-AridBush4
CL-AridBush5
CL-AridBush6
CL-AridRock1
CL-AridRock2
CL-AridRock3
CL-AridRock4
CL-AridRock5
CL-Aspen_Forest1
CL-Aspen_Forest2
CL-Aspen_Forest3
CL-Aspen_Forest4
CL-Aspen_Forest5
CL-Autumn_Forest1
CL-Autumn_Forest2
CL-Autumn_Forest3
CL-Autumn_Forest4
CL-Autumn_Forest5
CL-Autumn_Forest6
CL-Autumn_Forest7
CL-Autumn_Forest8
CL-Bastion_Woods
CL-Battlefield1
CL-Battlefield2
CL-Battlefield3
CL-Battlefield4
CL-Battlefield5
CL-Battlefield6
CL-Battlefield7
CL-Battlefield8
CL-Battlefield9
CL-Beach_Debris1
CL-Beach_Debris2
CL-Beach_Debris3
CL-Beach_Debris4
CL-Beehive_Active1
CL-Boulder1
CL-Boulder2
CL-Boulder3
CL-Boulder4
CL-Boulder5
CL-Boulder6
CL-Bramble_Lair1
CL-Bramble_Thicket1
CL-BrambleThicket1
CL-BreadCrumbs1
CL-Bremen_Arch1
CL-Bremen_Arch2
CL-Bremen_Arch3
CL-Bremen1
CL-Bremen2
CL-Bremen3
CL-Bremen4
CL-Bremen5
CL-Bremen6
CL-Burnt-Pine1
CL-Burnt-Pine2
CL-Burnt-Pine3
CL-Burnt-Pine4
CL-Burnt-Pine5
CL-Burnt-Pine6
CL-Bush_Autumn1
CL-Bush_Autumn2
CL-Bush_Autumn3
CL-Bush_Autumn4
CL-Bush_Autumn5
CL-Camp_Military1
CL-Camp_Military2
CL-Camp_Raider1
CL-Camp_Raider2
CL-Camp1
CL-Camp2
CL-Camp3
CL-Candelabra
CL-Carrionite_1Platform_A
CL-Carrionite_3Platforms_A
CL-Carrionite_4Platforms_A
CL-Carrionite_CliffHouse1
CL-Carrionite_CliffHouse2
CL-Chains1
CL-Character_BG
CL-Corsica_Forest1
CL-Corsica_Forest2
CL-Corsica_Forest3
CL-Corsica_Forest4
CL-Corsica_Forest5
CL-Corsica_Forest6
CL-Crystal1
CL-Crystal10
CL-Crystal2
CL-Crystal3
CL-Crystal4
CL-Crystal5
CL-Crystal6
CL-Crystal7
CL-Crystal8
CL-Crystal9
CL-Dead-Forest1
CL-Dead-Forest2
CL-Dead-Forest3
CL-Dead-Forest4
CL-Dead-Forest5
CL-Dead-Rotted_Forest1
CL-Dead-Rotted_Forest2
CL-Dead-Rotted_Forest3
CL-Dead-Rotted_Forest4
CL-Dead-Rotted_Forest5
CL-Dead-Web_Forest1
CL-Dead-Web_Forest2
CL-Dead-Web_Forest3
CL-Dead-Web_Forest4
CL-Dead-Web_Forest5
CL-Desert1
CL-Desert2
CL-Desert3
CL-Desert4
CL-Desert5
CL-Earthrise_Forest1
CL-Earthrise_Forest2
CL-Earthrise_Forest3
CL-Earthrise_Forest4
CL-Earthrise_Forest5
CL-Earthrise_Forest6
CL-Entrance_Maze_Rotted
CL-Entrance_Nursery_Rotted
CL-Evil_Alter1
CL-Farm-BurnedField1
CL-Farm-CornField
CL-Farm-EmptyField
CL-Farm-mixedVegField
CL-Farm-PumpkinField
CL-Farm-VegiGarden
CL-Farm-Vinyard-Rotted
CL-Farm-WheatField
CL-Farm-WheatFieldSmall
CL-Farm1
CL-Fence_Rotted
CL-Fence_Rotted2
CL-Fence_Rotted3
CL-Fence-Stone_Blue1
CL-Fence-Stone_Blue2
CL-Fence-Stone_Blue3
CL-Fence-Stone_Blue4
CL-Fence-Stone_Blue5
CL-Fence-Stone_Long_Blue1
CL-Fence-Stone_Long_Blue2
CL-Fence-Stone_Long_Blue3
CL-Flower_Garden1
CL-Flower_Garden2
CL-Forest1
CL-Forest10
CL-Forest11
CL-Forest2
CL-Forest3
CL-Forest4
CL-Forest5
CL-Forest6
CL-Forest7
CL-Forest8
CL-Forest9
CL-Fountain1
CL-Furniture1
CL-Garden1
CL-Garden2
CL-Garden3
CL-Garden4
CL-Giant_Forest1
CL-Giant_Forest2
CL-Giant_Forest3
CL-Giant_Forest4
CL-Giant_Forest5
CL-Giant_Forest6
CL-Grasses1
CL-Grasses10
CL-Grasses2
CL-Grasses3
CL-Grasses4
CL-Grasses5
CL-Grasses6
CL-Grasses7
CL-Grasses8
CL-Grasses9
CL-Graveyard1
CL-Graveyard2
CL-Graveyard3
CL-GrunsBush_1
CL-GrunsBush_2
CL-GrunsBush_3
CL-GrunsBush_4
CL-GrunsBush_5
CL-Hall_Barricade
CL-HallDeco1
CL-HallDeco2
CL-HallDeco3
CL-HallDeco4
CL-HappyFlowers1
CL-Heartwood_Garden1
CL-Heartwood_Garden2
CL-Heartwood_Garden3
CL-Heartwood_Garden4
CL-Heartwood_Garden5
CL-Heartwood_Garden6
CL-Henge-SarsenStone1
CL-Hills_Bush1
CL-Hills_Bush2
CL-Hills_Bush3
CL-Hills_Bush4
CL-Hills_Bush5
CL-Hills_Bush6
CL-Hills_Rock1
CL-Hills_Rock2
CL-Hills_Rock3
CL-Hills_Rock4
CL-Hills_Rock5
CL-Hills_RockGiant1
CL-Hills_RockGiant2
CL-Hills_RockGiant3
CL-Hills_Tree1
CL-Hills_Tree2
CL-Hills_Tree3
CL-Hills_Tree4
CL-Hills_Tree5
CL-Hills_Tree6
CL-Hills_Tree7
CL-Holiday-Harvest_Table
CL-Holiday-WinterDawning-Lights1
CL-Holiday-WinterDawning-Lights2
CL-Holiday-WinterDawning-Lights3
CL-Holiday-WinterDawning-Lights4
CL-Holiday-WinterDawning-Lights5
CL-Junk_Barrel-Stack1
CL-Junk_Barrel-Stack2
CL-Junk_Barrel-Stack3
CL-Junk_Barrel-Stack4
CL-Junk_Crate-Misc-Stack1
CL-Junk_Crate-Misc-Stack2
CL-Junk_Crate-Stack1
CL-Junk_Crate-Stack2
CL-Junk_Crate-Stack3
CL-Junk_Fishing
CL-Junk_Table1
CL-Junk_Table2
CL-Junk1
CL-Junk2
CL-Junk3
CL-Junk4
CL-Lamp_Post_GF1
CL-Lamp_Post_GF2
CL-LightHouse
CL-Market_Sign-Armor
CL-Market_Sign-Direction
CL-Market_Sign-Goods
CL-Market_Sign-Magic
CL-Market_Sign-Weapons
CL-Market_Stall-Armor
CL-Market_Stall-Books
CL-Market_Stall-Food1
CL-Market_Stall-Magic
CL-Market_Stall-Reagents
CL-Market_Stall-Refashioner
CL-Market_Stall-Utility
CL-Market_Stall-Wares1
CL-Market_Stall-Wares2
CL-Market_Stall-Weapons
CL-Metal_Candelabra2
CL-Metal_Chandelier1
CL-Mushroom_Chimney_Active1
CL-Mushroom_Chimney_Active2
CL-Mushroom_Ring1
CL-Mushroom_Ring2
CL-Mushroom_Rotted1
CL-Mushroom_Rotted2
CL-Mushroom_Rotted3
CL-Mushroom_Small1
CL-Mushroom_Small2
CL-Mushroom_Small3
CL-Mushroom_Small4
CL-Pine_Forest1
CL-Pine_Forest2
CL-Pine_Forest3
CL-Pine_Forest4
CL-Pine_Forest5
CL-Plains_Bush1
CL-Plains_Bush2
CL-Platform-Drop_Bridge
CL-Platform-Large
CL-Platform-Quad
CL-Platform-Spiral_Bridge
CL-Platform-Straight_Bridge
CL-Potted_Plant1
CL-Potted_Plant2
CL-Potted_Plant3
CL-Potted_Plant4
CL-Potted_Plant5
CL-Potted_Plant6
CL-Potted_Plant7
CL-Potted_Plant8
CL-Quarters1
CL-Quarters2
CL-Rack1
CL-Rack2
CL-Random-Junk1
CL-Random-Junk2
CL-Random-Junk3
CL-Random-Junk4
CL-Random-Junk5
CL-Riverside1
CL-Riverside2
CL-Riverside3
CL-Riverside4
CL-Roadside_Desert1
CL-Roadside_Desert2
CL-Roadside_Desert3
CL-Roadside_Desert4
CL-Roadside_Desert5
CL-Roadside_Rotted1
CL-Roadside_Rotted2
CL-Roadside_Rotted3
CL-Roadside_Rotted4
CL-Roadside_Rotted5
CL-Roadside_Rotted6
CL-Roadside1
CL-Roadside2
CL-Roadside3
CL-Roadside4
CL-Roadside5
CL-Roadside6
CL-Roc_Tree1
CL-Roc_Tree2
CL-Roc_Tree3
CL-Roc_Tree4
CL-Roc_Tree5
CL-Rock-Clutter
CL-Rock-Clutter1
CL-RockStack1
CL-RockStack2
CL-RockStack3
CL-RockStack4
CL-RocNest1
CL-RocNest2
CL-Roof1
CL-Roof10
CL-Roof11
CL-Roof12
CL-Roof13
CL-Roof14
CL-Roof2
CL-Roof3
CL-Roof4
CL-Roof5
CL-Roof6
CL-Roof7
CL-Roof8
CL-Roof9
CL-Rotted_Flora1
CL-Rotted_Flora2
CL-Rotted_Flora3
CL-Rotted_Flora4
CL-Rotted_Flora5
CL-Rotted_Flora6
CL-Rotted_Flora7
CL-Rotted_Moss
CL-Rotted_Thicket1
CL-Rotted_Thicket2
CL-RottedNode1
CL-RottedNode2
CL-RottedNode3
CL-RottedNode4
CL-RottedNode5
CL-RottedNode6
CL-RottedNode7
CL-RottedNode8
CL-RottedPine1
CL-RottedPine2
CL-RottedPine3
CL-RottedPine4
CL-RottedPine5
CL-ScatteredPumpkins1
CL-Sick-Forest1
CL-Sick-Forest2
CL-Sick-Forest3
CL-Sick-Forest4
CL-Sick-Forest5
CL-Sick-Pine1
CL-Sick-Pine2
CL-Sick-Pine3
CL-Sick-Pine4
CL-Sick-Pine5
CL-Sick-Pine6
CL-Sick-Rotted_Forest1
CL-Sick-Rotted_Forest2
CL-Sick-Rotted_Forest3
CL-Sick-Rotted_Forest4
CL-Sick-Rotted_Forest5
CL-Sick-Web_Forest1
CL-Sick-Web_Forest2
CL-Sick-Web_Forest3
CL-Sick-Web_Forest4
CL-Sick-Web_Forest5
CL-Skeleton_Bottle1
CL-Skeleton_Map
CL-Skrill_Hive
CL-Skrill_Mound
CL-Snorg-Camp
CL-Snowy1
CL-Snowy2
CL-Snowy3
CL-Snowy4
CL-Snowy5
CL-SnowyPine1
CL-SnowyPine2
CL-SnowyPine3
CL-SnowyPine4
CL-SnowyPine5
CL-Statue_Robed1
CL-Statue_Robed2
CL-Statue_Sheriff1
CL-Statue_Sheriff2
CL-Statue_Sheriff3
CL-Statue_Sheriff4
CL-Statue-Bremen1
CL-Stone_Circle1
CL-Stone_Circle2
CL-Storage_Wall
CL-Stump_Cut1
CL-Swamp_Bushes1
CL-Swamp_Bushes2
CL-Swamp_Bushes3
CL-Swamp-BullRushes1
CL-Swamp-BullRushes2
CL-Swamp1
CL-Swamp2
CL-Swamp3
CL-Swamp4
CL-Swinland_JunkPile1
CL-The_Great_Nook
CL-ThornPumpkins1
CL-Training_Post1
CL-Training_Post2
CL-Troll_Hut1
CL-Troll_Hut2
CL-Troll_Hut3
CL-Undead_Camp1
CL-Undead_Camp2
CL-UndeadBoulder1
CL-UndeadBoulder2
CL-UndeadBoulder3
CL-UndeadBoulder4
CL-UndeadBoulder5
CL-UndeadBoulder6
CL-UndeadTree1
CL-UndeadTree2
CL-UndeadTree3
CL-UndeadTree4
CL-UndeadTree5
CL-Vampire_Camp1
CL-Vampire_Camp2
CL-Vampire_Camp3
CL-Vampire_Camp4
CL-Vampire_Camp5
CL-Vampire_Camp6
CL-Vampire_Camp7
CL-Vampire_Pass1
CL-Vampire_Pass2
CL-Vampire_Pass3
CL-Vampire_Pass4
CL-Vampire_Pass5
CL-Vampire_Pass6
CL-Vampire_Roadside1
CL-VaultKeeper1
CL-Warpig_Camp1
CL-Warpig_Camp2
CL-Waterfall1
CL-Waterfall2
CL-Waterfall3
CL-Window_Flowers1
CL-Window_Flowers2
CL-Window_Flowers3
CL-Window_Flowers4
CL-Window_Flowers5
CL-WineRack1
CL-WinterDawning_Tree
CL-Wizards_Table1
CL-Wolf_Den1
CL-Wolf_Den2
CL-Wolf_Den3
CL-Wooden_Fence1
CL-Wooden_Fence2
CL-Wooden_Fence3
CL-WoodenWall_Lantern
CL-Yeti_Camp1
CL-Yeti_Camp2
CL-Yeti_Camp3