This familiar
This familiar "Sprengeri" Asparagus Fern has flourished in a large container at The Arid Garden for several years, with very little water and care needed. (Mary Kidnocker photo)

The Asparagus Fern isn't a fern at all. Though it resembles a Victorian Age fern, it is an inedible drought-resistant member of the Lily family related to the edible Asparagus.

University of Arizona Master Gardener Mary Kidnocker describes how to care for the different varieties of this houseplant with green cascading stems.  

Here is some additional information on the Asparagus Fern from The Spruce.

Do you have a houseplant that everyone mistakes for something else?