Web Directory

» Verbena bonariensis
   Classification, diagnostic features, habitat and distribution of Argentinian vervain.
   http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3455

» Verbena bracteata
   Photographs of bracted or prostrate vervain, its flowers and foliage.
   http://www.em.ca/garden/native/nat_verbena_bracteata.html

» Verbena officinalis
   Photograph, classification, diagnostic features, habitat and distribution of vervain.
   http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3454

» Verbena rigida
   Classification, diagnostic features, habitat and distribution of slender vervain.
   http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3456

» Vervain: Verbena officianalis
   Photographs, description, constituents, actions, therapeutics and folklore.
   http://www.oakenwoods.co.uk/html/vervain.html