The Atlas of Living Australia contains information on all the known species in Australia aggregated from a wide range of data providers: museums, herbaria, community groups, government departments, individuals and universities.
Saving and Studying Tasmania’s Giant Trees …Outside North America, Mifsud has found more of the world’s biggest trees than anyone else (well over 120). In Tasmania, he’s located more than 60 giants. The day I spent with him in a valley south of Hobart, he found four Eucalyptus regnans that qualify for protection, including one with a girth of 21.6 meters (almost 71 feet)—big enough for 20 people to stand comfortably inside its hollow base.
The PrometheusWiki Sap Flow page is a CSIRO Publishing supported resource which defines sap flow and how to measure it. The information is technical and comprehensive.