Spinosum seaweed flourish in Nusa Penida waters in fact is a rare aquatic plant species that in Indonesia could only growth in this area only. Nusa Penida, a small island located around ten mile to the south east part of Bali has beach area known as spinosum museum, that is a rare seaweed species in the world. According to the local farmers, number of researcher from IPB Bogor or from faculty of agricultural Udayana University and as far as from foreign university, they usually mentioned that spinosum is a rare species. Those researchers confessed their grateful feeling for kind of rare plant could flourish at Nusa Penida beach area as this area hardly ever visit either by people or tourist. Read more about Nusa Penida rare seaweed here.