What is the relationship between the yucca plant and moth?
A Yucca Moth caterpillar eats yucca plants. The adult moth lays
her eggs on yucca plants.
What is the species of yucca that as an 's' for its third letter?
Not sure if this helps but there is Yucca Rostrata which is also
known as Beaked or Big Bend Yucca and Yucca de smetiana also Yucca
Brevifolia or Joshua Tree.