Zs. P. Komáromy szerk.: Studia Botanica Hungarica 13. 1979 (Budapest, 1979)

Szerdahelyi, Tibor: Rare ferns of Hungary, I. Botrychium virginianum (L.) Sw. var. europeum Angstr. in the Kiskunság National Park

Table 2. Species list, phenophases, and frequency values No. Species Phen ophases Frequency 1 Celtis occidentalis 24 7 2 Robinia pseudo-acacia 24 10 3 Ulmus procera 24 1 4 Quercus robur 24 3 5 Berberis vulgaris 24 1 6 Crataegus monogyna 24 7 7 Euonymus europeus 24 2 8 Ligu strum vulgare 24 2 9 Prunus domestica 24 3 10 Rhamnus catharticus 24 6 11 Rubus caesius 24 3 12 Sambucus nigra 24 2 13 Aegopodium podagraria 24 1 14 Anthriscus cerefolium 43 4 15 Ballota nigra 24, 21 4 16 Botrychium virginianum 24, 41 4 17 Brachipodium silvaticum 24, 31 1 18 Bromus sterilis 42 8 19 Calamintha clinopodium 24, 21 4 20 Carex spicata ssp. Lumnitzeri 24, 3 3 3 21 Cerastium sp. 24 1 22 Chelidonium majus 24, 34, 41 4 23 Draba nemorosa 43 2 24 Galium aparine 42, 43 4 25 Geranium Robertianum 24, 32, 33 5 26 Geum urbanum 24, 34 7 27 Muscari racemosum 43 2 28 Taraxacum officinale 22 1 29 Thalictrum minus 24 4 30 Viola cyanea 24, 21 10