Jan Frederik Veldkamp

Papuacalia is a genus of New Guinean flowering plants in the groundsel tribe within the sunflower family. Species

Trioncinia is a genus of flowering plants in the family Asteraceae. Species Trioncinia patens A.E.Holland & D.W.Butler - Queensland Trioncinia retroflexa (F.Muell.) Veldkamp - Queensland

Jacobaea incana, the grey ragwort, is a species of Jacobaea in the family Asteraceae.

Jacobaea adonidifolia is a species (synonym Senecio adonidifolius) of the genus Jacobaea and the family Asteraceae.

Digitaria compacta is a grass species native to India and Indochina. It is cultivated in the Khasi Hills of northeast India, used as a glutinous flour for making bread or porridge, and known as raishan. It is cultivated in maize fields by sowing in April-May and harvesting the grain in September-October; the straw is harvested later after the other crops in the field have been harvested. It is often cooked like rice or even with rice (1 part raishan to two parts rice). The straw is used for winter fodder for cattle.

Chrysopogon nigritanus, more widely known by the taxonomic synonym Vetiveria nigritana, or the common name black vetivergrass, is a perennial grass species of the family Poaceae and therefore is also a monocotyledon. More specifically, Vetiveria nigritana is a very thick and tall type of grass that is deeply rooted within the ground and is usually used to protect crops and deter soil erosion. Vetiveria nigritana is also a native species to Africa and is most commonly seen in Nigeria, Northern Africa, Eastern Africa and tropical parts of Southern Africa. In addition, the plant, like other

Vietnamochloa is a genus of plants in the grass family. The only known species is Vietnamochloa aurea, found only in Vietnam.

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Berberidopsis beckleri is a species of climbing plant found in cool rainforests in eastern Australia. Its common name is the montane tape vine. Ferdinand von Mueller described the plant as Streptothamnus beckleri from collections at the Clarence River.

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Sarcotheca glomerula is a species of plant in the family Oxalidaceae. It is endemic to Peninsular Malaysia.

Poa telata is a species of grass native to New Guinea. It likely inhabits subalpine grassland.

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Paspalum canarae is a species of grass native to the Western Ghats region of India. It is also known as the canara paspalum.