americana(n = noun.artifact) - any artifact (such as books or furniture or art) that is distinctive of America;
is a kind of artefact, artifact

   any artifact (such a books or furniture or art) that is distinctive to America. [WordNet 1.5]

americana, n.pl. things connected with America, esp. with the United States.

agave americana, anas americana, antilocapra americana, apios americana, aythya americana, brunfelsia americana, campanula americana, centaurea americana, certhia americana, cimicifuga americana, corylus americana, fagus americana, fraxinus americana, fulica americana, genipa americana, grus americana, heuchera americana, leishmaniasis americana, lepiota americana, linnaea borealis americana, malacosoma americana, mammea americana, martes americana, morone americana, mycteria americana, parula americana, periplaneta americana, persea americana, phytolacca americana, pipa americana, prunus americana, pyrola americana, pyrola rotundifolia americana, rhea americana, sorbus americana, tilia americana, ulmus americana, veronica americana, wynnea americana