I guess you mean "edible" plants. Some of them include:
The most popular, non-edible plant "exported" into the world is the Poinsettia or Christmas Plant.
To spread the religon to native Americans
Plants have stronger cells walls. And viruses do spread to plants.
the dance spread by the NATIVE AMERICANS
Tomatoes were first grown in the Upolu Samoa
When Spanish conquistadors arrived to Mexico, they also brought Roman Catholic priests with them. Once they conquered all native peoples in Mexico, they swiftly converted them to Christianity.
It depends on plants' nature and soil
because it can!
Plants have stronger cells walls. And viruses do spread to plants.
All over America, hense the term "Native Americans."
they spread small pox by giving blankets originally owned by people who had small pox to the Native Americans
they can spread their seeds by growing a flower
The parent plants want the seeds to go away from the parent plants so that their genes don't compete. That is why they will blow around or catch on a animals coat.