Below are three links to a zoom tutorial that was recently carried out with CQUniversity. It is relevant to all institutions that are currently hosting PlantFile Online. 
The first one shows students how to register through the college server in order to access the additional features. This is a free service that is supplied from PlantFile.
The second link is an overview of PlantFile Online showing many of the features.

The third link is a discussion with teachers about the features of PlantFile Online.