Tree "Coffea arabica" and "Coffea canephora", are processed to extract the coffee beans. In many rural areas of the world, fruit is gathered from forest trees for consumption. Many trees bear edible nuts which can loosely be described as being large, oily kernels found inside a hard shell. These include coconuts ("Cocos nucifera"), Brazil nuts ("Bertholletia excelsa"), pecans ("Carya illinoinensis"), hazel nuts ("Corylus"), almonds ("Prunus dulcis"), walnuts ("Juglans regia"), pistachios ("Pistacia vera") and many others. They are high in nutritive value and contain high-quality protein, vitamins and minerals as well as dietary fibre. Walnuts are particularly beneficial to health and contain
Green rosella eucalypts—forming the bulk of its diet; other items eaten include the seed of the soft tree fern ("Dicksonia antarctica"), cranberry heath ("Astroloma humifusum"), myrtle beech ("Lophozonia cunninghamii"), Australian blackwood ("Acacia melanoxylon"), silver wattle ("Acacia dealbata") and buttercups ("Ranunculus"), berries, nuts and fruit, as well as flowers and new buds of southern sassafras ("Atherosperma moschatum"), mānuka ("Leptospermum scoparium"), shining tea-tree ("Leptospermum nitidum"), swamp honey-myrtle ("Melaleuca squamea"), Tasmanian bluegum ("Eucalyptus globulus"), Smithton peppermint ("Eucalyptus nitida"), messmate stringybark ("Eucalyptus obliqua"), snow gum ("Eucalyptus pauciflora"), manna gum ("Eucalyptus viminalis"), small-fruit hakea ("Hakea microcarpa") and native plum ("Cenarrhenes nitida"). The green rosella has at times