Some of the grasses commonly used to remediate polluted sites in mines due to their ability to uptake heavy metals include:

1. Agrostis capillaris (Bentgrass)
2. Festuca arundinacea (Tall fescue)
3. Panicum virgatum (Switchgrass)
4. Lolium perenne (Perennial ryegrass)
5. Phragmites australis (Common reed)
6. Juncus effusus (Soft rush)
7. Spartina alterniflora (Smooth cordgrass)
8. Paspalum tum (Seashore paspalum)
9. Elymus trachycaulus (Slender wheatgrass)
10. Andropogon gerardii (Big bluestem)

Which of the above plants grow in Papua new guinea

Based on the list provided, none of the listed plants are specific to Papua New Guinea. However, it is important to note that there may be other indigenous plant species in Papua New Guinea that could also potentially be used for phytoremediation purposes.