Legend for each row

notation, frequency, red list category, species name

Notation:
0=species known from literature
1=species known from herbarium specimens
2=rare
3=abundant or frequent
4=species reported until 1984 (Weltern & Sutter 1984)
5=species reported until 1994 (Wagner 1995)
6=species reported until 1998 (Floristic Notes Bot. Helv. until 1998)
7=species reported until 2000 (Floristic Notes Bot. Helv. until 2000)

Frequency:
Frequency of species occurrence referring to all mapping areas (n=593), in percent

Red List category, nationwide:
following the Red List of Landolt (1991); for a detailed legend see 'Distribution of species'
U=not endangered
A=attractive
R=rare
V=vulnerable, endangered
E=critically endangered
Ex=extinct
?=no indications

Species-name:
Nomenklature after Welten and Sutter (1982), completed by species names after the Flora Helvetica (Lauber and Wagner 1996)