J. Újhelyi szerk.: Fragmenta Botanica 4. 1966. (Budapest, 1966)

Zólyomi, Bálint: Einreihung von 1400 Arten der ungarischen Flora in ökologische Gruppen nach TWR-Zahlen

141 6a 2 3 Veronica praecox 6k 2 4 Veronica prostrata 5 8 4 Veronica scutellata 5 5 Veronica serpyllifolia 5k 1 4 Veronica spicata 5k 3 4 Veronica spuria ssp. foliosa 5k 3 4 Veronica teucrium 6 3 Veronica triphyllos 5k 3 Veronica vema 6a 4 4 Viburnum lantana 5a 7 4 Viburnum opulus 5 3 4 Vicia angustifolia 5k 4 3 Vicia cassubica 5 4 3 Vicia cracca 5k 5 3 Vicia dumetorum 6a 3 4 Vicia hirsutum 5k 3 3 Vicia lathyroides 6a 5 4 Vicia oroboides 6a 4 4 Vicia pannonica 5k 3 4 Vicia pisiformis 5 5 3 Vicia sepium 6 3 Vicia sparsiflora 6 3 4 Vicia striata 5 2 4 Vicia tenuifolia 6a 4 3 Vicia tetrasperma 7 3 4 Vicia villosa 6a 3 3 Viola alba 5 4 0 Viola arabigua 5 4 0 Viola arvensis 2 7 5 Viola biflora 5 4 2 Viola canina 6k 4 4 Viola cyanea 5a 5 4 Viola elatior 5a 3 4 Viola hirta 5a 5 4 Viola mirabilis