Syzygium is a genus of flowering plants that belongs to the myrtle family, Myrtaceae.
 The genus comprises about 1200–1800 species, and has a native range that extends from Africa and Madagascar through southern Asia east through the Pacific.
 Its highest levels of diversity occur from Malaysia to northeastern Australia, where many species are very poorly known and many more have not been described taxonomically.
Betulinic acid is a naturally occurring pentacyclic triterpenoid which has antiretroviral, antimalarial, and anti-inflammatory properties, as well as a more recently discovered potential as an anticancer agent, by inhibition of topoisomerase.
 It is found in the bark of several species of plants, principally the white birch ("Betula pubescens") from which it gets its name, but also the ber tree ("Ziziphus mauritiana"), selfheal ("Prunella vulgaris"), the tropical carnivorous plants "Triphyophyllum peltatum" and "Ancistrocladus heyneanus", "Diospyros leucomelas", a member of the persimmon family, "Tetracera boiviniana", the jambul ("Syzygium formosanum"), flowering quince ("Pseudocydonia sinensis", former "Chaenomeles sinensis KOEHNE"),
Ozothamnus costatifructum is an uncommon plant in the daisy family, found in Tasmania.
Syzygium fullagarii, commonly known as the scalybark, is a relatively large tree in the Myrtle family.
 It is found only on Lord Howe Island.
 It grows to 20 m tall, up to an altitude of 400 metres above sea level in sheltered areas, often in rainforest.
 The bark is reddish brown, usually flaking to the touch.
 The base of the tree is often heavily buttressed.
 Known for many years as "Cleistocalyx fullagarii", however, in recent times it has been placed in the large genus "Syzygium".
Laiwangi Wanggameti National Park is located on the island of Sumba in Indonesia.
 All forests types that exist on this island can be found in this national park.
 Some endemic plant species are protected in this national park, such as "Syzygium" species, "Alstonia scholaris", "Ficus" species, "Canarium oleosum", "Cinnamomum zeylanicum", "Myristica littoralis", "Toona sureni", "Sterculia foetida", "Schleichera oleosa", and "Palaquium obovatum".
Syzygium guineense (Bambara: "Kokisa" ) is a leafy forest tree of the Myrtaceae family, found in many parts of Africa both wild and domesticated.
 Both its fruits and leaves are edible; the pulp and the fruit skin are sucked and the seed discarded.
 It is sometimes called "waterberry", but this may also refer to other species of "Syzygium".
Cryptotermes perforans, is a species of dry wood termite of the genus "Cryptotermes".
 It is endemic to Sri Lanka.
 It is found in dead wood of "Syzygium cumini", attack on other dressed timber and wooden furniture.
Angraecum doratophyllum is a species of comet orchid that is endemic to São Tomé and Príncipe.
 On São Tomé, it can be found from elevations of 850–1,600 m, growing with "Syzygium guineense" or with "Bulbophyllum lizae".
 On Príncipe, it is found in shrubby vegetation at around 300 m elevation.
 It is threatened by deforestation for agriculture and timber.
Ozothamnus is a genus of plants found in Australia, New Zealand and New Caledonia.
Syzygium cordatum is an evergreen, water-loving tree, which grows to a height of 8–15 m.
 This tree is often found near streams, on forest margins or in swampy spots.
 The leaves are elliptic to circular, bluish green on top and a paler green below.
 Young leaves are reddish.
 The white to pinkish fragrant flowers are borne in branched terminals and have numerous fluffy stamens and produce abundant nectar.
 It flowers from August to November.
 The fruits are oval berries, red to dark-purple when ripe.

Question: Syzygium and Ozothamnus can both be found where?
Answer: Australia