Flora of Peru.
Macbride, J. Francis
Flora of Peru. - VI, 20 p. ill. - Fieldiana. Botany. New series 7 .
Family compositae : part 2, tribe anthemideae Dillon, Michael O.
Flora of Peru. - VI, 20 p. ill. - Fieldiana. Botany. New series 7 .
Family compositae : part 2, tribe anthemideae Dillon, Michael O.