Karen L. Wilson

Persicaria decipiens, commonly known as slender knotweed, is a species of flowering plant native to Australia and Asia. Persicaria decipiens is a trailing plant whose stems grow horizontally at first but become more vertical with time, reaching 30 cm (1 ft) high. Its narrow elliptic to lanceolate (spear-shaped) leaves are 5–12 cm (2–4.5 in) long and 0.5–1.3 cm (0.20–0.51 in) across. The slender pink flower spikes appear from November to June, with a peak in February. Cylindrical in shape, they are not stiff and tend to bend over. The plant tends to die back in winter and regenerate after

Cyperus secubans is a species of sedge that is native to parts of eastern Australia. This sedge was first described in 1991 by Karen Louise Wilson. The epithet, secubans, derives from secubare (Latin), and refers to the species' physical isolation from others in the section Pinnati. It is found on the Nandewar Range on rocky outcrops in rocky crevices.

Cyperus isabellinus is a species of sedge that is native to north eastern Australia, and was first described in 1991 by Karen Wilson. The species epithet, isabellinus, refers to the tawnish-yellow glumes.

Schoenus calcatus is a species of Cyperaceae endemic to Western Australia.

Ptilothrix deusta is a sedge in the family Cyperaceae found in south eastern Australia. It is the sole species in genus Ptilothrix. It is commonly seen in wet sandy soils in heathland, growing from 30 to 60 cm tall. This is one of the many plant species first published by Robert Brown with the type known as "(J.) v.v." appearing in his Prodromus Florae Novae Hollandiae et Insulae Van Diemen in 1810 as Carpha deusta. In 1994 Karen Wilson transferred the species to the genus Ptilothrix. The genus name is derived from ancient Greek, meaning feather hair. The specific epithet deusta is derived

Juncus edgariae is a species of rush, commonly called Edgar's rush or wīwī, that is endemic to New Zealand. The species was described in 2001 by Lawrie Johnson and Karen Wilson. It had previously been confused with Juncus gregiflorus, which is now considered endemic to Australia. The species name edgariae is in honour of New Zealand botanist Elizabeth Edgar. Juncus edgariae is the most abundant rush species in New Zealand, and is widespread throughout, including the Kermadec and Chatham Islands. Found commonly from between the coast to the hills, it is usually located in open shrubland,

Isolepis producta is a species of flowering plant in the sedge family. A small aquatic plant seen in southern Australia. The habitat is lagoons, lakes and streams.

Gahnia australis is a tussock-forming perennial in the family Cyperaceae, that is native to southern western parts of Western Australia.

Eleocharis keigheryi is a sedge of the family Cyperaceae that is native to Australia. The rhizomatousous perennial herb to grass-like sedge typically grows to a height of 0.4 metres (1.3 ft) and has a clumped habit. It blooms between August and November producing green flowers. It is found in and around pools and swampy areas in the Wheatbelt and South West regions of Western Australia where it grows in sandy-loamy soils. The species was first described in 1997 by Karen Wilson.

Carex nemoralis is a plant species in the Cyperaceae (sedge) family. It was first described in 1994 as Uncinia nemoralis by the Australian botanist Karen Wilson, and was transferred to the genus, Carex, in 2015 by the Global Carex Group. It is endemic to Australia where it is found in Victoria and New South Wales, in rainforested mountainous areas, and often along creeks.

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Cyperus vorsteri is a sedge of the family Cyperaceae native to KwaZulu-Natal in South Africa.

Cyperus viscidulus is a sedge of the family Cyperaceae that is native to north western Australia (found in Western Australia and the Northern Territory).

Cyperus portae-tartari is a sedge of the family Cyperaceae that is native to Australia, and found in the Northern Territory and Western Australia. The robust perennial sedge typically grows to a height of 0.2 to 0.9 metres (0.7 to 3.0 ft) and has a tufted habit. It blooms between February and March producing brown flowers. The species was first described in 1980 by Karen Wilson.

Cyperus orgadophilus is a sedge of the family Cyperaceae that is native to Australia, in Western Australia, the Northern Territory, and Queensland. The rhizomatous perennial sedge typically grows to a height of 0.3 to 0.8 metres (1.0 to 2.6 ft). It is found in low-lying areas in sandy soils over laterite. The species was first described in 1991 by Karen Wilson.

Cyperus latzii is a sedge of the family Cyperaceae that is native to Australia, and found in the Northern Territory and Western Australia. The perennial sedge typically grows to a height of 0.3 to 0.5 metres (1.0 to 1.6 ft) and has a tufted habit. It blooms between June and July and produces green-yellow-brown flowers. In Western Australia it is found in swamps and along creeks in the Kimberley region where it grows in sandy-loamy soils. The species was first described in 1991 by Karen Wilson. There are no synonyms.

Cyperus hesperius is a sedge of the family Cyperaceae that is native to Australia. The perennial sedge typically grows to a height of 0.3 to 0.4 metres (1.0 to 1.3 ft) and has a tufted habit and produces yellow-brown flowers. In Western Australia it is found on rocky hillsides in the Pilbara region where it grows in red sandy-loamy soils. The species was first described in 1991 by Karen Wilson. There are no synonyms.

Cyperus fucosus is a species of sedge that is native to northern Australia.

Cyperus eglobosus is a species of sedge that is native to Queensland and New South Wales in eastern Australia.

Cyperus crispulus is a sedge of the family Cyperaceae that is native to Australia and found in Western Australia, and the Northern Territory. The perennial sedge typically grows to a height of 0.2 to 0.4 metres (0.7 to 1.3 ft) in height and has a tufted habit and produces brown flowers. It is found in rock crevices amongst sandstone outcrops in the Kimberley region of Western Australia. The species was first described in 1991 by Karen Wilson. There are no synonyms.

Cyperus cracens is a sedge of the family Cyperaceae that is native to northern and north western parts of Australia. The perennial sedge typically grows to a height of 0.35 to 0.8 metres (1.1 to 2.6 ft) in height and has a tufted habit and produces brown flowers. The species was first described by the botanist Karen Louise Wilson in 1991 in the journal Telopea. It is found in rock crevices and seepage areas on sandstone hills in the Kimberley region of Western Australia and is also found in the Northern Territory.

Cyperus centralis is a sedge of the family Cyperaceae that is native to arid areas of central Australia. The perennial sedge typically grows to a height of 0.4 to 1.1 metres (1.3 to 3.6 ft) and has a slender tufted habit and produces brown flowers. It is found in arid areas of the southern part of the Northern Territory, the northern part of South Australia and Western Australia. In Western Australia it is found in rocky gorges, around rock holes, in gullies and around stream beds the Mid West, Pilbara and Goldfields-Esperance regions where it is found in rocky gorges, in and around

Cyperus blakeanus is a sedge of the family Cyperaceae that is native to Australia. The perennial sedge typically grows to a height of 0.25 to 0.55 metres (0.8 to 1.8 ft) and has a caespitose habit. The plant blooms between April and May producing green-brown flowers. In Western Australia it is found in the Kimberley, Pilbara, Goldfields-Esperance regions where it grows in red sandy-loamy soils. It was first described in 1991 by Karen Wilson, with the species epithet, blakeanus, honouring Stanley Thatcher Blake "who contributed so greatly to the taxonomic understanding of Australasian

Cyperus astartodes is a sedge of the family Cyperaceae that is native to northern parts of Australia. The perennial sedge typically grows to a height of 0.3 to 1 metre (1.0 to 3.3 ft) and has a tufted habit. The plant blooms between April and May producing yellow-brown flowers. In Western Australia it is found on rocky slopes and outcrops in the Kimberley region where it grows in sandy-loamy soils often around sandstone. It is also found in the Northern Territory. The species was first described in 1991 by Karen Wilson.

Carex klaphakei, Klaphake's sedge, is a species of flowering plant in the family Cyperaceae, native to the Central Tablelands of New South Wales, Australia. It is known from only three locations, all hanging swamps of the Blue Mountains.

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Lepidosperma avium, commonly named the central Australian rapier-sedge and the desert rush, is a rare species of sedge found in the Everard Ranges of remote northern South Australia and neighbouring parts of the Northern Territory.

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