Opera botanica.

no.3 1959; no.4-5 1960-61; no.5 1961; no.6-7 1961-61; no.8 1963; no.9-10 1963-66; no.11 1966; no.12 1966; no.14 1967; no.13-19 1967-68; no.20-21 1968; no.22-27 1968-70; no.28-33 1970-72; no.30-33; no.30-35 Dec. 1971-June 1974; no.34-39; no.34-40 1974-76; no.36-40 May 1974-Apr. 1976; no.37-42; no.40-43 1976-77; no.41-45 1977-78; no.44-47 1978-79; no.46-53 1979; no.46-50 May-Sept. 1979; no.48-53 1979; no.54-59 1980; no.59-64 Dec. 1980-Sept. 1982; no.60-64 1981-82; no.65-69 1982-83; no.65-70 Oct. 1982-Sept. 1983; no.70-74 1983-84; no.71-76 1983/84; no.75-82 1984-85; no.77-84 1985; no.83-88 1985-86; no.86-90 1986; no.89-92 1986-87; no.91-94 1987; no.95 1988; no.93-96 1987-89; no.97-100 1988-89; no.96-100 1989; no.101-103 1990; no.101-104 1990-91; no.104-108 1991; no.106 1991; no.107-112 1991-92; no.113-116 1992; no.117-121 1993; no.122-125 1994-95; no.126-129 1995-96; no.41-45 Jan. 1977-Nov. 1978; no.51-58 Oct. 1979-Nov. 1980