Which of the following plant species are on the verge of extinction due to over-exploitation?

The correct option is D All the above
Actinodaphne lawsoni – It is found commonly in Kerala, and is a canopy or sub-canopy tree that grows in high altitude forests. Harvested extensively for its medicinal properties. It is endemic and endangered due to habitat loss.
Pterocarpus santalinus (Red Sandalwood) – Found in the Eastern Ghats, this is a rare form of sandalwood found only in southeastern India. It is well-known for its medicinal properties, but is currently endangered due to logging and loss of habitat.
Diospyros celibica (Ebony) – Found in Karnataka, it is well-known for its dark and high quality wood. The trees are highly sought-after for furniture and woodwork. Indiscriminate cutting has depleted the populations of these trees.
All these plant species are on the verge of extinction due to over-exploitation.