I remember a tale from the botony department of Glasgow, where a phd student took in a fresh sample of an oak from his garden, they could only identify it once they split the stem and examined the vessels. Peter (UK) On Fri, Nov 2, 2012 at 2:42 AM, Alberto Castillo <ezeizabotgard@hotmail.com>wrote: > > > > Leo, you made me remember that on a number of occasions when taking LIVING > plants to prestigious herbariums, they could not ID them, and asked for > some time to press and dry them before producing a name. > >