Arctostaphylos densiflora was created in 1932.
Utricularia densiflora was created in 2011.
Castilleja densiflora was created in 1835.
Arctostaphylos regismontana was created in 1933.
Arctostaphylos canescens was created in 1897.
Arctostaphylos pajaroensis was created in 1939.
Arctostaphylos osoensis was created in 1992.
Arctostaphylos viridissima was created in 1933.
Arctostaphylos luciana was created in 1965.
Arctostaphylos gabilanensis was created in 2004.
Arctostaphylos hispidula was created in 1901.
Arctostaphylos stanfordiana was created in 1887.
Arctostaphylos klamathensis was created in 1982.