Anton Albert Reznicek

Carex juniperorum, the juniper sedge, is a perennial flowering plant native to North America, first described by botanist William J. Crins in 1993. C. juniperorum is in the Cyperaceae (sedge) family, and is closely related to C. jamesii and C. willdenowii. It is commonly called juniper sedge as it is often seen growing in areas with red cedar (Juniperus virginiana), though the presence of cedar is not necessarily a requirement for it to grow.

Carex molestiformis, the frightful sedge, is a species of flowering plant in the family Cyperaceae, native to the east-central US. A perennial reaching 4 ft (1.2 m), it is found in bottomlands, stream banks and floodplains, and roadsides.

Carex missouriensis is a species of sedge in the family Cyperaceae, native to the US states of Nebraska, Kansas, Iowa, Missouri, Illinois, and Indiana. It is typically found in swales in surviving patches of prairie.

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Carex superata is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to south eastern parts of the United States.

Carex shinnersii is a species of sedge described in 2001. It is native to North America, found in Arkansas, Kansas, Oklahoma, and Texas. The species is named for Lloyd Herbert Shinners.

Carex porrecta is a plant species known from Costa Rica, Colombia, Venezuela and Ecuador. It is found in humid forests at elevations of 1,600–2,600 metres (5,200–8,500 ft). The epithet porrecta refers to the prolonged, outcurved beak on the perigynia, a distinctive feature of the species. Carex porrecta is an herb spreading by means of underground rhizomes. Stems are triangular in cross-section, up to 125 cm tall. Leaves are mostly basal, up to 60 cm long. One stem can produce as many as 14 flowering panicles, some at the ends of the stems, others in the axils of the leaves. Flowers are

Carex ozarkana, the Ozark sedge, is a species of flowering plant in the family Cyperaceae, native to the U.S. states of Oklahoma, Texas, Arkansas, and Louisiana.

Carex opaca is a sedge that is native to northern central and south eastern parts of the United States including; Illinois, Kansas, Oklahoma, Missouri, Arkansas and Mississippi.

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Carex tovarensis is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to parts of South America.

Carex tolucensis is a sedge that is native to central parts of Mexico.

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