I think bonitin is right. I just looked at my meager collection of Multiplant photos and it appears that the only way to see what plants are tagged is to click on the photo. But if you have submitted a Multiplant with a particular plant tagged, it will show up in the entries for that plant in the database. So probably the easiest way to avoid duplicates is to check the database entries for the plants in the photo you're contemplating adding. (Did that make any sense at all?
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