Family: Asteraceae Common name: Goathead burr. Native to tropical America. An upright, shrubby annual.
A tiny plant with seeds.
Achyranthes aspera
Family: Amaramthaceae Common name: chaff weed, chaff flower. It is an Australian native.
Alternanthera pungens
Family: Amaranthaceae Common name: Khaki weed, Khaki burr. Native to South America.
Azadirachta indica
Family: Meliaceae Common name: Neem tree. Native to India and Burma. Birds eat the berries and spread the seed.
Bidens bipinnata
Family: Asteraceae. Common names: Cobbler's pegs, Beggar's ticks. Native to South America but extensively naturalised.
Calotropis procera
Family: Apocynaceae Common names: Calotropis, rubber bush. Native to the Middle East, tropical Africa and India.
Crotalaria goreensis
Family: Fabaceae Common name: Gambia pea. Native to tropical Africa, can grow to 2.6m. The flowers are pink or orange early in the day, becoming bright yellow as they open fully. All crotaleria are considered poisonous to horses.
Crotalaria retusa
Family: Fabaceae Common name: Wedgeleaf rattlepod. Although native, this plant is uncommon and the risk of it poisoning horses is reason to control it.
Hyptis suaveolens
Family: Lamiaceae. Common name: Hyptus. Native to tropical America. Strongly aromatic.
Parkinsonia aculeata
Family: Fabaceae. Common name: Parkinsonia. Parkinsonia is thought to be native to tropical America. There has been a small infestation in the Sunday Creek stream.
Pennisetum pedicellatum
Family: Poaceae Common name: Pennisetum This annual grass is grazes while young but quickly becomes unpalatable. Native to Africa and India
A 2m high clump.
Senna obtusifolia
Family: Fabaceae. common name: Sicklepod senna. Native to the Carribbean and tropical America.
Senna occidentalist
Family: Fabaceae. Common name: Coffee senna. Native to tropical America.
Sesame indicum
Family: Pedaliaceae. Common name: Sesame. Native to Africa and India.
Sida acuta
Family: Malvaceae. Common name: Spiny sida. Native to Central America.
Sida cordifolia
Family: Malvaceae. Common name: Flannel weed. Flannel weed is widely spread through the tropics, possibly native to South America or India. It is used in herbal medicine.
Tribulus terrestris
Family: Zygophyllaceae. Common name: Caltrop. Native to at least the Mediterranean region of Europe. The flowers open early in the morning but close before afternoon.
Tridax procumbens
Family: Compositae. Common names: Mexican daisy, coat buttons. Native to topical America.