Fir and Imperata, are a type of tree?
Fir Firs (Abies) are a genus of 48–56 species of evergreen coniferous trees in the family Pinaceae. They are found through much of North and Central America, Europe, Asia, and North Africa, occurring in mountains over most of the range. Firs are most closely related to the genus "Cedrus" (cedar). Douglas firs are not true firs, being of the genus "Pseudotsuga".
Pinus echinata Pinus echinata, the shortleaf pine, is a species of pine native to the eastern United States from southern most New York State, south to northern Florida, west to eastern Oklahoma, and southwest to eastern Texas. The tree is variable in form, sometimes straight, sometimes crooked, with an irregular crown. This tree reaches heights of 20 – with a trunk diameter of 0.5 – .