many plants can reproduce by vegetative reproduction. what is the main benefit of this form of reproduction?

Some plants can produce seeds without fertilization via apomixis where the ovule or ovary gives rise to new seeds. Advantages of asexual reproduction include an increased rate of maturity and a sturdier adult plant.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.