;"Number of relevés"
"Unit (Tsiripidis et al. 2007)";"group 1";"group 2";"group 3";"group 4"
"u2: mesophytic beech forests of NE Greece";.;.;2;1
"u3: acidophytic forests (on gneiss) of NE Greece";.;.;1;.
"u7: mesophytic beech forests of Mt. Voras on humid nutrient-rich soils (Lamiastro montani-Fagetum sylvaticae)";.;18;5;2
"u8: forests of Mt. Voras occurring in warmer and drier sites (Galium odoratum-Fagus sylvatica)";.;.;4;2
"u10: forests on calcareous substrate at high elevations (Cardamine graeca-Fagus sylvatica)";.;2;4;6
"u11: Forests on calcareous substrate at lower altitudes (subcom. with Fraxinus ornus of the Lathyro alpestris-Fagetum sylvaticae)";5;9;6;11
"u12: Lathyro alpestris-Fagetum sylvaticae";2;1;13;1
"u13: thermophytic beech forests of Mt. Chortiatis (southwestern part of NE Greece) (Rubus canescens-Fagus sylvatica)";.;.;1;.
"u14: thermophytic beech forests of Mt. Cholomon (southwestern part of NE Greece)";7;1;1;.
sum;14;31;37;23
"Unit (Bergmeir and Dimopoulos 2001)";"group 1";"group 2";"group 3";"group 4"
"u2: Galium odoratum-Fagus sylvatica comm.";.;.;1;.
"u3: Lamiastro montani-Fagetum sylvaticae";.;20;4;3
"u5: Orthilio secundae-Fagetum (subcom. with Luzula luzuloides)";2;3;23;16
"u6: Orthilio secundae-Fagetum (subcom. with Abies borisii-regis)";.;.;.;1
"u11: Lathyro alpestris-Fagetum sylvaticae (subcom. with Galium odoratum)";2;5;2;3
"u13: Rubus canescens-Fagus sylvatica comm.";10;3;7;.
sum;14;31;37;23