By Engler, Adolf, 1844-1930 . Genre Plants / Periodicals . Names zu / ge / la / sp / folia and 21047 more

By Engler, Adolf, 1844-1930 / Prantl, K. (Karl), 1849-1893 . Genre Plants / Classification / Plants, Useful . Names zu / ge / saxifragaceae / str / alle and 4381 more

By Engler, Adolf, 1844-1930 . Genre Plants / Periodicals . Names zu / ge / sp / dies / alle and 11178 more

By Engler, Adolf, 1844-1930 / Prantl, K. (Karl), 1849-1893 . Genre Plants / Classification / Plants, Useful . Names zu / ge / str / alle / pax and 6669 more

By Engler, Adolf, 1844-1930 . Genre Plants / Periodicals . Names zu / ge / sp / guinea / folia and 51011 more

By Engler, Adolf, 1844-1930 / Prantl, K. (Karl), 1849-1893 . Genre Plants / Classification / Plants, Useful . Names zu / str / ge / sp / alle and 6502 more

By Engler, Adolf, 1844-1930 / Prantl, K. (Karl), 1849-1893 . Genre Plants / Classification / Plants, Useful . Names zu / ge / pax / str / us a and 7516 more

By Engler, Adolf, 1844-1930 / Prantl, K. (Karl), 1849-1893 . Genre Plants / Classification / Plants, Useful . Names zu / str / ge / alle / rubiaceae and 16614 more