I'm sorry, I wish I could give you a definitive answer, but I can't. I would think that some vines may be toxic, so it would really help if you knew what kind of vine it was. Can you write to the eBay seller and ask ?
35G barebottom: 2 boesemani rainbowfish, 4 congo tetras, Low light plants (1.5wpg) attached to or planted in my own handmade ceramics - Anubia v Nana, Anubia v Barteri, Red Rubin Sword
2.5G - Spot (beautiful betta - Soft pink with red spots on his fins. Java Moss.