Installed using Wrye Bash, so missing bsa should not be an issue.
I am missing shirt mesh resources on some (not all) NPC characters, and Refscope tells me the following:
----[ 2013-12-11 22:47:29]
Clothing 0114003A
Name: Common Shirt
Defined in Morrowind_ob.esm
Missing resources:
Clothes\LowerClass\04\M\Shirtgreen.NIF
Clothes\LowerClass\04\M\Shirtgreen_gnd.NIF
Clothes\LowerClass\04\F\Shirtgreen_gnd.NIF
I looked inside the MO meshes bsa, and there is no such folder, so I see nothing in game. Could be possible due to mod interaction as I am using Eloth's cloth replacers and Clothing Galore (in that order). So one of these mods should be the culprit. Thoughts and pointers?
Also, the Oblivion trees do not look OK with MO's mushrooms - the stems are too thin and the mushrooms end up floating in the air - I am guessing this is an artifact of the Tree Replacer plugin. Not sure why this has not been reported, as this would be an pretty obvious issue then....
Mod list:
Active Mod Files:
Click here to expand or collapse this section
[xml]00 Oblivion.esm01 Morrowind_ob.esm
02 All Natural Base.esm [Version 1.34]
03 Cobl Main.esm [Version 1.73]
04 BetterMusicSystem.esm
05 Fundament.esm [Version ision]
06 SDR.esm [Version 7.2.0]
07 CustomSpellIcons.esm
08 HorseCombatMaster.esm
09 Unofficial Oblivion Patch.esp [Version 3.4.3]
0A UOPS Additional Changes.esp
0B DLCShiveringIsles.esp
0C Unofficial Shivering Isles Patch.esp [Version 1.5.1]
++ USIPS Additional Changes.esp
0D All Natural.esp [Version 1.34]
0E All Natural - SI.esp [Version 1.34]
0F OBGE - Liquid Water.esp
10 MIS Low Wind Merged.esp
++ Diverse Voices.esp [Version 0.1a]
11 Sounds of Cyrodiil.esp [Version 1.1]
12 OBSE-Storms & Sound SI.esp
13 All Natural - Real Lights.esp [Version 1.34]
14 WindowLightingSystem.esp
15 7lbsBedrolls-OBSE.esp
16 diversegrasses.esp
17 More Effective Enchantments.esp
18 My Voice Extender.esp
19 See You Sleep DLL.esp
1A Camping.esp
1B Environment Mods Merged.esp
++ Respawning Clams2.esp
1C Skyrim Ingredients.esp
1D Enhanced Economy.esp [Version 5.4.3]
1E DropLitTorchOBSE.esp [Version 2.4]
1F Duke Patricks - Friendship Ring For Companion Detection.esp [Version 1.8]
20 Immersive Combat Music.esp [Version 1.00]
21 kuerteeAutoSaveAndTime.esp
22 kuerteeCleanUp.esp
23 kuerteeSittableRocks.esp
24 MigMiscellanea.esp [Version 1.5]
25 Quest Log Manager.esp [Version 1.3.2]
26 UI Mods Merged.esp
27 Dynamic Map.esp [Version 2.1.1]
28 Map Marker Overhaul.esp [Version 3.9.3]
29 Enhanced Hotkeys.esp [Version 2.3.1]
2A DLCSpellTomes.esp
2B DLCSpellTomes - Unofficial Patch.esp [Version 1.0.1]
2C DLCSpellTomes - OBSEfixer.esp
** EVE_StockEquipmentReplacer.esp
2D kuerteeHorseCommands.esp
2E Cobl Glue.esp [Version 1.73]
2F Cobl Si.esp [Version 1.63]
30 kuerteeWanderingEncounters.esp
31 Morrowind_ob - MorroblivionTreeReplacer.esp
32 Morrowind_ob - Morroblivion Maps.esp
33 Morrowind_ob - Conversation.esp
34 Voice Overs V002.esp
35 ProtocolledDialogs.esp
36 MorroblivionLoadingScreens.esp [Version 0.3]
++ SM_Morroblivion_poison.esp
++ MorrOblivionHGECFemaleClothesBelts.esp
** Morroblivion - Clothing Galore.esp [Version 1.2]
++ Morroblivion - Bitter Coast Environment.esp
++ ClothingReplacer.esp
37 MorrowOblivion_Integration_CO.esp
38 Morrowind_ob - Unique Grass.esp
39 Morrowind_ob.esp
3A Morrowind_ob - UCWUS.esp [Version BETA5]
3B Morrowind_ob - Mo Spell Tomes.esp
++ Morrowind_ob - Mo Spell Tomes Levelled Lists.esp
3C Morrowind_ob - COBL Luggage.esp
3D Morrowind_ob - Armored Skeletons.esp
3E morrob_npc_services.esp
3F Morroblivion Storms and Sound Patch.esp
40 Morroblivion - Silt Striders.esp
41 Ash creatures as races.esp
42 Harvest [Flora].esp [Version 3.0.0]
++ Lush & Gaudy FG.esp
43 Lush and Gaudy Merged Plugin.esp
++ ReteroX_OBEvilSkeletons.esp
44 Soulgem Magic.esp [Version 2.0]
45 Basic Primary Needs.esp [Version 6.3]
46 Morrowind_ob - BPN Hungry Like The Wolf.esp
47 Utility Mods Merged.esp
48 Ashes to Ashes.esp [Version 1.0]
49 SupremeMagicka.esp [Version 0.90b]
++ SM_DLCSpellTome.esp [Version 0.90]
++ SM_COBL.esp [Version 0.90]
++ SM_NoSpellLights.esp [Version 0.90]
4A MorrowOblivion_Integration_SM.esp
4B AudaciousMagery.esp
++ Jjiinx_Enhanced Disease.esp
4C StealthyAbsorbsAndDrains.esp
4D Syc_AtHomeAlchemy_No_Bounty_v2.esp
++ SDR_Detect Life Shader Patch [Oblivion].esp [Version 5.0.0]
4E SDR_Perks And Patches [Oblivion].esp [Version 7.2.0]
4F kuerteeCrimeHasWitnesses.esp
50 Enhanced Grabbing.esp [Version 0.5]
51 Duke Patricks - Combat Archery.esp [Version 5.5.3]
52 I just hit you.esp
53 CombatFPSOptimizer.esp
++ All Natural Combat FPS Optimizer Updated Patch.esp
54 Deadly Reflex 5 - Timed block and 150% damage.esp
55 DeadlyReflex 5 - Combat Moves.esp
56 Duke Patricks - Near Miss Magic And Arrows Alert The Target.esp [Version 7.1]
57 Duke Patricks - Fresh Kills Now Alert The NPCs.esp [Version 4]
58 Phitt's Phighting Phixes.esp
59 Bundlement.esp [Version ision]
5A nGCD.esp
5B nGCD Oghma Infinium.esp
5C JCN_AV Uncap.esp [Version 1.01]
++ Item interchange - Extraction.esp [Version 0.78]
++ Item interchange - Option, Ingredients in Bulk, reduced.esp [Version 0.78]
5D Useful Houses.esp [Version 2.0]
++ AMB.esp
5E bgBalancingEVCore.esp [Version 10.52EV-D]
++ EVE_KhajiitFix.esp
5F Oblivion_Character_Overhaul.esp [Version 1.0]
60 Dialogs and Messages Merged.esp
61 SPAWN.esp [Version 0.3]
** [GFX]_Initial_Glow-all.esp
62 DS Flaming Arrows.esp [Version 1.2]
63 BubbleFx.esp
++ Duke Patricks - BASIC Script Effect Silencer NIF REMOVED.esp
++ SM_DeadlyReflex.esp [Version 0.90]
64 Companion Compatibility.esp
++ Cobl Filter Late MERGE ONLY.esp [Version 1.53]
65 Bashed Patch, 0.esp
[/xml]

That's some mod list you have
That's some mod list you have there. As far as I know you have to choose between Clothing Galore and Clothing replacer, I'm not 100% on this though. Personally I haven't seen any floating mushrooms.