Viola sororia
Viola stagnina
Viola striata
Viola suavis
Viola sublanceolata
Viola sylvatica
Viola tomentosa
Viola tricolor
Viola tricolor hortensis
Viola tricolor ssp. curtisii
Viola tricolor ssp. saxatilis
Viola tricolor ssp. subalpina
Viola tricolor ssp. subalpinum
Viola tricolor ssp. tricolor
Viola tricolor s.str.
Viola tricolor subsp. curtisii
Viola tricolor subsp. polychroma
Viola tricolor subsp. saxatilis
Viola tricolor subsp. tricolor
Viola triloba
Viola trinervata
Viola tripartita
Viola uliginosa
Viola umbraticola
Viola utahensis
Viola vallicola
Viola verecunda
Viola villosa
Viola wailenalenae
Viola walteri
Viola wittrockiana
Viola × wittrockiana
Viorna baldwinii
Vipera
Vipera albizona
Vipera ammodytes
Vipera ammodytes ammodytes
Vipera aspis
Vipera berus
Vipera berus bosniensis
Vipera bulgardaghica
Vipera kaznakovi
Vipera latifii
Vipera raddei
Vipera russelii siamensis
Vipera transcaucasiana
Vipera ursinii
Vipera ursinii macrops
Vipera ursinii rakosiensis
Vipera wagneri
Latina Nova