http://www.serebii.net/conquest/pokemon.shtml
In the row for Lilligant, in the far right column, it says "Greenleaf (Password". There's no need for a parenthesis.
In the row for Chimchar, in the far right column, it says "Owned by Hidoyoshi". It's spelled Hideyoshi.
In the row for Snivy, in the far right column, it says "Owned by Motochika". Snivy is owned by Motonari, not Motochika.
Pansage swarms occur in Greenleaf and Pansear swarms occur in Ignis, not the other way around.
In the row for Lapras, in the far right column, it says "Owned by Mitsuhige". It's spelled Mitsuhide.
In the row for Groudon, in the far right column, it says " Terraria". It's spelled Terrera.
Also, there are several Pokemon that aren't listed as postgame that should be. Here are some examples:
Aurora:
Gyarados (doesn't appear in the wild in the main story unless you use the password, although you can evolve a Magikarp to get one)
Pikachu (doesn't appear in the wild in the main story unless you use the password, although you can evolve a Pichu to get one)
Quagsire (doesn't appear in the wild in the main story, although you can evolve a Wooper to get one)
Igglybuff (doesn't appear in the wild in the main story, although Ujizane has one)
Jigglybuff (doesn't appear in the wild in the main story, although Oichi has one)
Golbat (doesn't appear in the wild in the main story, although you can evolve a Zubat to get one)
Staravia (doesn't appear in the wild in the main story, although you can evolve a Starly to get one)
Bibarel (doesn't appear in the wild in the main story, although you can evolve a Bidoof to get one)
Whirlipede (doesn't appear in the wild in the main story, although you can evolve a Bidoof to get one)
Luxio (doesn't appear in the wild in the main story, although you can evolve a Shinx to get one)
Lampent (doesn't appear in the wild in the main story, although you can evolve a Litwick to get one)
Boldore (doesn't appear in the wild in the main story, although you can evolve a Roggenrola to get one)
Lilligant (doesn't appear in the wild in the main story unless you use the password, although you can evolve a Petilil to get one)
Flaaffy (doesn't appear in the wild in the main story, although you can evolve a Mareep to get one)
Whimsicott (doesn't appear in the wild in the main story, although you can evolve a Cottonee to get one)
Riolu (doesn't appear in the wild in the main story unless you use the password, although some warriors might have one)
Chingling (doesn't appear in the wild in the main story, although Jinpachi has one)
Chimecho
Arbok (doesn't appear in the wild in the main story, although you can evolve an Ekans to get one)
Persian (doesn't appear in the wild in the main story, although you can evolve a Meowth to get one)
Sealeo (doesn't appear in the wild in the main story, although you can evolve a Spheal to get one)
Krokorok (doesn't appear in the wild in the main story, although you can evolve a Sandile to get one)
Dusclops (doesn't appear in the wild in the main story, although you can evolve a Duskull to get one)
Musharna (doesn't appear in the wild in the main story, although you can evolve a Munna to get one)
Dragonair (doesn't appear in the wild in the main story, although you can evolve a Dratini to get one)
Pupitar (doesn't appear in the wild in the main story, although you can evolve a Larvitar to get one)
Deino
Zweilous
Glalie (doesn't appear in the wild in the main story, although you can evolve a Snorunt to get one)
Cinccino (doesn't appear in the wild in the main story, although you can evolve a Minccino to get one)
Machoke (doesn't appear in the wild in the main story, although you can evolve a Machop to get one)
Gurdurr (doesn't appear in the wild in the main story, although you can evolve a Timburr to get one)
Beartic (doesn't appear in the wild in the main story, although you can evolve a Cubchoo to get one)
Oshawott
Dewott
Charmeleon (doesn't appear in the wild in the main story, although you can evolve a Charmander to get one)
Haunter (doesn't appear in the wild in the main story, although you can evolve a Gastly to get one)
Snivy
Servine
Pignite (doesn't appear in the wild in the main story, although you can evolve a Tepig to get one)
Sewaddle (doesn't appear in the wild in the main story, although you can evolve a Sewaddle to get one)
Grovyle (doesn't appear in the wild in the main story, although you can evolve a Treecko to get one)
Prinplup (doesn't appear in the wild in the main story, although you can evolve a Piplup to get one)
Darumaka (doesn't appear in the wild in the main story, although Rikyu has one)
Axew (doesn't appear in the wild in the main story, although Saneyori has one)
Fraxure
Galvantula (doesn't appear in the wild in the main story, although you can evolve a Joltik to get one)
Lairon (doesn't appear in the wild in the main story, although you can evolve an Aron to get one)
Excadrill (doesn't appear in the wild in the main story, although you can evolve a Drilbur to get one)
Drapion (doesn't appear in the wild in the main story, although you can evolve a Skorupi to get one)
Rhydon (doesn't appear in the wild in the main story, although you can evolve a Rhyhorn to get one)
Shieldon (doesn't appear in the wild in the main story, although Tomonobu has one)
Scrafty (doesn't appear in the wild in the main story, although you can evolve a Scraggy to get one)
Larvesta
Onix (doesn't appear in the wild in the main story, although Masatoshi has one)
Beedrill (doesn't appear in the wild in the main story, although Sadamitsu has one)
Misdreavus (doesn't appear in the wild in the main story, although Shigemoto has one)
Scyther (doesn't appear in the wild in the main story, although Masakage has one)
Scizor
Please note that I only listed Pokemon that appear only in post-game for all locations.