Both hemp and marijuana plants are the same species. The main difference lies in how much of a certain cannabinoid each contains. It’s a common misconception that hemp and marijuana are two different species of plant. In fact, they’re not distinct speciesTrusted Source [4] at all. They’re just two different names for cannabis, a type of flowering plant in the Cannabaceae family.
Links
[1] https://www.healthline.com/health/hemp-vs-marijuana#uses
[2] http://www.rethinkpot.org/tags/delta-8
[3] http://www.rethinkpot.org/tags/hemp
[4] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5531363/