Plants in the library

Does anyone have any information on possible problems caused by keeping
plants in the library?  We have some large specimen plants in public
areas (not in the bookstacks), but some members of the staff like to
have a few houseplants in their offices or workspaces as well.  My
initial concern is about the possibility of damage while these plants
are being watered, but are there other things to worry about?  Mold,
insects, etc.?  If you have any interesting horror stories, please share
them.

   **** Moderator's comments:   There was a good discussion about this
   subject very recently on one of the Library-oriented lists, but I
   can't for the life of me remember which one. There were some good
   responses (some of them by DistList folks) explaining some of the
   problems with plants. If someone can tell me which list had this
   discussion, I'll do a database search and post the results

                                  ***
                  Conservation DistList Instance 6:62
                   Distributed: Tuesday, May 25, 1993
                        Message Id: cdl-6-62-004
                                  ***