0.25 KOELERIA ALBESCENS DC.  3-5
 0.27    SUBSP. PORTLANDICA L 2-4
 0.33 HERNIARIA MARITIMA LINK 1-3
   0.34 TORTELLA FLAVOVIRENS (BRU 1
 0.34    VAR. PROSTRATUS DUM. 1-3
 0.35    VAR. CILIATA BAB.    1-3
 0.35 DIANTHUS GALLICUS PERS. 1-4
 0.36    VAR. LLOYDII JORD.   1-3
 0.36    SUBSP. PORTLANDICA L 1-4
 0.37 CERASTIUM TETRANDRUM CU 1-5
 0.37    SUBSP. BRITANNICUS R 3-5
 0.38 GALIUM ARENARIUM LOISEL 1-5
 0.38 CAREX ARENARIA L.       1-6
 0.39 EPHEDRA DISTACHYA L.    1-6
 0.40 PHLEUM ARENARIUM L.     1-4
   0.40 TORTELLA FLAVOVIRENS (BRU 3
 0.40    SUBSP. MARITIMA DUM. 1-4
 0.40 HERNIARIA MARITIMA LINK 2-3
 0.41 DIANTHUS GALLICUS PERS. 3-4
 0.41    SUBSP. BRITANNICUS R 1-5
 0.41    SUBSP. LLOYDI RY     1-5
   0.41 TORTULA RURALIFORMIS (BES 1
   0.41    SUBSP. SERPYLLIFOLIA 1-3
 0.42 SEDUM ACRE L.           3-5
 0.42    VAR. CILIATA BAB.    2-3
 0.44 EPHEDRA DISTACHYA L.    4-6
 0.44 CAREX ARENARIA L.       3-6
   0.46 TORTULA RURALIFORMIS (BES 5
 0.46    VAR. PROSTRATUS DUM. 2-3
 0.46    VAR. THOMINEI BREB.  1-3