TreeBase Wrapper – Browse Page. This page can be accessed from the URL http://spira.zoology.gla.ac.uk/app/browse.php. The NCBI hierarchy is traversed to 'Lactobacillales', which returns 4 distinct trees (M1498, M2480, M2478 and M2476). The query is started by selecting the classification using the select boxes in the top left, the choices are ITIS, NCBI and SP2K. The hierarchy is traversed with a single mouse click through each level as it appears. A double click on a taxon name triggers a TCl-Db query through TreeBASE.