bark the wrong tree vs bark up the wrong tree

Some examples from the web:

• But sometimes even the best bloodhound barks up the wrong tree.
• To postpone this vote one more time would be to bark up the wrong tree.
• You were right about the wrong tree.
• Maybe you're barking up the wrong tree, Richard.
• You think Leonard's barking up the wrong tree.
• You're barking up the wrong tree there, darling.
• If you were hoping to manipulate me, you are barking up the wrong tree.
• That's the wrong tree for you.
• So... Barking up the wrong tree here.
• She's totally innocent and we're barking up the wrong tree.
• You're barking up the wrong tree, Agent Gibbs.
• Well, unfortunately you're barking up the wrong tree, son.
• You barked up the wrong tree.
• You're barking up the wrong tree, lady.
• Dude, you're barking up the wrong tree.
• You're barking up the wrong tree, that's all.
• Then she's barking up the wrong tree.
• The Commission proposal is barking up the wrong tree here.
• Because we are barking up the wrong tree with these resolutions.
• [Both scream] Barking up the wrong tree, Filo.

Some examples from the web:

• To postpone this vote one more time would be to bark up the wrong tree.
• But sometimes even the best bloodhound barks up the wrong tree.
• Maybe you're barking up the wrong tree, Richard.
• You think Leonard's barking up the wrong tree.
• You're barking up the wrong tree there, darling.
• If you were hoping to manipulate me, you are barking up the wrong tree.
• So... Barking up the wrong tree here.
• She's totally innocent and we're barking up the wrong tree.
• You're barking up the wrong tree, Agent Gibbs.
• Well, unfortunately you're barking up the wrong tree, son.
• You barked up the wrong tree.
• You're barking up the wrong tree, lady.
• Dude, you're barking up the wrong tree.
• You're barking up the wrong tree, that's all.
• Then she's barking up the wrong tree.
• The Commission proposal is barking up the wrong tree here.
• Because we are barking up the wrong tree with these resolutions.
• [Both scream] Barking up the wrong tree, Filo.
• But I'm telling you, you're barking up the wrong tree.
• I guess you're barking up the wrong tree, detective.