Which type of pine is known as Dwarf Mugo Pine?

Dwarf Mugo Pine is scientifically recognized as Pinus mugo mugo. This particular cultivar of Mugo Pine is characterized by its compact size and rounded form, making it a popular choice for landscaping in smaller spaces or rock gardens. It typically grows to about 2 to 3 feet tall and wide, exhibiting a dense arrangement of needles that create an attractive, evergreen appearance throughout the year.

The other choices represent different species or cultivars that do not relate to Dwarf Mugo Pine. Pinus strobus 'Nana' refers to a dwarf form of Eastern White Pine, Taxus baccata 'Stricta' is a cultivar of English Yew known for its narrow, upright habit, and Picea abies 'Nidiformis' is a Nest Spruce, which features a unique nest-like growth habit. Thus, Pinus mugo mugo stands out as the correct identification of Dwarf Mugo Pine.