Pick From List Duplicate Features

Could someone explain why when I select "Pick From List" to choose geometry to use, there are duplicates of the feature geometry? And oddly enough, the duplicates do not represent the same geometry (for example, below the first instance of the feature selects the whole of the curve, but the second instance of the feature only selects a section). Is there any way to prevent this, as sometimes when selecting geometry without using "Pick From List", it will cause a failure as the incorrect instance was chosen automatically.