Протологи за 1969 Пошук: Пошук Роки: Всі 1921 1926 1928 1929 1931 1933 1935 1936 1937 1938 1939 1940 1946 1948 1950 1951 1952 1953 1955 1956 1957 1958 1959 1961 1962 1963 1964 1965 1968 1969 1970 1972 1979 1980 1985 1986 1987 1990 1993 1996 1997 1999 2000 2004 2005 2011 2020 2021 2023 WESTHOFF V. & HELD A. J. den (1969): Plantengemeenschappen in Nederland. N. V. W. J. Thieme & Cie, Zutphen (Franguletea Doing ex Westhoff in Westhoff et Den Held 1969)
