David, These lists are often maintained by very few people so they may not have caught everything. It's an impressive task in itself. If you see a discrepancy, you can email them. Rafael Govaerts at Kew is very responsive to these sorts of emails. Nhu On Fri, Oct 28, 2011 at 11:20 AM, David Victor <davidxvictor@btinternet.com>wrote: > Dear Mary Sue, > > Whilst I greatly support the efforts that Kew and Mobot are making in > putting together their list into a single resource, can I just offer > a note of caution. I have just been looking at an area of interest > to me: the genus Pelargonium. The list currently offered is, I am > afraid, extremely deficient. Much of the work done by important > authors in the past decade or so has just been totally ignored. >