21
Published: 1951
Superior document: Flora SSSR 17
22
Published: 1964
Superior document: Flora SSSR [30,a]
23
Published: 1960
Superior document: Flora SSSR 30
24
Published: 1934
Superior document: Flora SSSR 2
25
Published: 1963
Superior document: Flora SSSR 28
26
Published: 1941
Superior document: Flora SSSR 10
27
Published: 1950
Superior document: Flora SSSR 16
28
Published: 1959
Superior document: Flora SSSR 25
29
Published: 1935
Superior document: Flora SSSR 4
30
Published: 1952
Superior document: Flora SSSR 18
31
Published: 1946
Superior document: Flora SSSR 12