1) Dilleniid dicot genus 2) Genus arceuthobium 
The genus Arceuthobium, commonly called Dwarf Mistletoes, is a genus of 42 species of parasitic plants that parasitize members of Pinaceae and Cupressaceae in North America, Central America, Asia and Africa. Of the 42 species, 39 and 21 are endemic to North America and the United States, respectively. They all have very reduced shoots and leaves (...
[n] - genus of chiefly American plants parasitic on conifers
genus Arceuthobium noun genus of chiefly American plants parasitic on conifers