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Many wild Pokémon hold items, some are rare (R) and others very rare (VR). The exact percentages of Rare and Very Rare are uncertain, however. Here is a list of the items:

No.	Pokémon	Item	Rarity
039	Abra	Twistedspoon	VR
070	Aron	Hard Stone	VR
187	Bagon	Dragon Scale	VR
147	Banette	Spell Tag	VR
119	Cacnea	Poison Barb	VR
181	Chinchou	Yellow Shard	VR
176	Clamperl	Blue Shard	VR
180	Corsola	Red Shard	VR
093	Dodrio	Sharp Beak	VR
092	Doduo	Sharp Beak	VR
149	Dusclops	Spell Tag	VR
148	Duskull	Spell Tag	VR
057	Geodude	Everstone	VR
164	Girafarig	Persim Berry	VR
058	Graveler	Everstone	VR
106	Grimer	Nugget	VR
095	Gulpin	Big Pearl	VR
049	Hariyama	King's Rock	VR
184	Horsea	Dragon Scale	VR
145	Kecleon	Persim Berry	VR
108	Koffing	Smoke Ball	VR
071	Lairon	Hard Stone	VR
013	Linoone	Oran Berry	R
013	Linoone	Sitrus Berry	VR
046	Loudred	Chesto Berry	VR
125	Lunatone	Moon Stone	VR
183	Luvdisc	Heart Scale	R
082	Magnemite	Metal Coat	VR
083	Magneton	Metal Coat	VR
101	Numel	Rawst Berry	R
156	Pikachu	Oran Berry	R
156	Pikachu	Light Ball	VR
010	Poochyena	Pecha Berry	VR
179	Relicanth	Green Shard	VR
094	Roselia	Poison Barb	VR
112	Sandshrew	Quick Claw	VR
146	Shuppet	Spell Tag	VR
061	Skitty	Leppa Berry	VR
126	Solrock	Sun Stone	VR
114	Spinda	Chesto Berry	VR
143	Staryu	Stardust	R
143	Staryu	Star Piece	VR
116	Trapinch	Soft Sand	VR
153	Vulpix	Rawst Berry	R
045	Whismur	Chesto Berry	VR
012	Zigzagoon	Oran Berry	VR