four-leaf clover as a of happiness - canton of obwalden, switzerland (vierblaettriges kleeblatt)

four-leaf clover symbol happiness canton obwalden switzerland vierblaettriges kleeblatt als des gluecks kanton obwald schweiz background flower summer nature hand spring concept leaf floral health happy garden green success color plant sign flat holiday field beautiful natural shape eco ecology season decoration culture botanical flora tradition element clover traditional saint shamrock joy luck greeting celtic closeup fortune four four-leaf fresh good goodluck lucky march