John Torrey was an American botanist, chemist, and physician. Throughout much of his career, Torrey was a teacher of chemistry, often at multiple universities, while at the same time pursuing botanical work. Dr. Torrey's botanical career focused on the flora of North America. His most renowned works include studies of the New York flora, the Mexican Boundary, the Pacific railroad surveys, as well as the uncompleted Flora of North America.
Carex is a vast genus of more than 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges. Other members of the family Cyperaceae are also called sedges, however those of genus Carex may be called true sedges, and it is the most species-rich genus in the family. The study of Carex is known as caricology.
Carex jamesii, known as James's sedge or grass sedge, is a species of sedge native to North America from Minnesota east to New York and south to Oklahoma and South Carolina. It occurs in mesic hardwood forests and produces fruits from early May to mid July. It has two to four perigynia that are subtended by leaf-like pistillate scales. Its seeds are dispersed by ants.
Hoverter and Sholl Box Huckleberry Natural Area is a 10-acre (4.0 ha) natural area in Perry County, Pennsylvania, near New Bloomfield, which protects a colony of box huckleberry over 1,000 years old. The smallest Natural Area in Pennsylvania, it is administered as part of Tuscarora State Forest. It was designated a National Natural Landmark in April 1967.
Banksia squarrosa subsp. squarrosa is a subspecies of Banksia squarrosa, commonly called "pingle". As an autonym, it is defined as encompassing the type material of the species. It was known as Dryandra squarrosa subsp. squarrosa until 2007, when Austin Mast and Kevin Thiele sunk all Dryandra into Banksia. As with other members of Banksia ser. Dryandra, it is endemic to the South West Botanical Province of Western Australia.
Carex rossii, commonly known as Ross's sedge, is a hardy species of sedge that is often a pioneer species in areas with little or no established vegetation, or in places where disturbance has occurred. Ross's sedge grows in a variety of habitats throughout much of western North America, from Alaska to Ontario, south to New Mexico and California. It flowers in May and June.
Navarretia squarrosa is a spreading annual plant from North America which is noted for its skunk-like odour. It grows to between 10 and 60 cm in height and has tubular lilac pink to deep blue flowers up to 12 mm in diameter in dense terminal heads, encircled by spiny sepals and bracts. The leaves are pinnately lobed and spiny.
A plant community is a collection or association of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The components of each plant community are influenced by soil type, topography, climate and human disturbance. In many cases there are several soil types within a given plant community.
Melaleuca squarrosa, commonly known as scented paperbark, is a plant in the myrtle family, Myrtaceae and is endemic to south eastern parts of Australia, especially Tasmania. It is an attractive shrub with dense foliage and arching branches and it flowers profusely in spring or early summer, bearing spikes of perfumed yellow to white flowers.
Munroa is a genus of New World plants in the grass family, native to North and South America.
Carex tumulicola, the splitawn sedgefoothill sedge, or previously Berkeley sedge, is a sedge member of the family Cyperaceae.
Carex bigelowii is a species of sedge known by the common names Bigelow's sedge, Gwanmo sedge, and stiff sedge. It has an Arctic–alpine distribution in Eurasia and North America, and grows up to 50 centimetres (20 in) tall in a variety of habitats.
Carex biltmoreana, known as Biltmore sedge, is a species of sedge that was first described by Kenneth Mackenzie in 1910. It is endemic to the southeastern United States, where it occurs in southwestern North Carolina, northwestern South Carolina, and northeastern Georgia. Biltmore sedge grows on rock outcrops, often on granite, and in adjacent woodlands.
Carex davisii, known as Davis' sedge or awned graceful sedge, is a species of Carex native to North America. It is listed as an endangered, threatened, or species of concern across much of edge of its range. It was named in the 1820s by Lewis David de Schweinitz and John Torrey in honor of Emerson Davis (1798–1866), a Massachusetts educator and "enthusiastic student of the genus" Carex.
Carex remota, the remote sedge, is a species in the genus Carex, native to Europe, the Atlas Mountains in Africa, and western Asia. It is a riparian forest specialist. It is known as one of the most frequently hybridizing species of Carex, forming hybrids with C. appropinquata, C. arenaria, C. brizoides, C. canescens, C. divulsa, C. echinata, C. elongata, C. otrubae, C. ovalis, C. paniculata, and C. spicata.
Carex brizoides, the quaking sedge or quaking-grass sedge, is a species in the genus Carex, native to central and southern Europe. Even where it is a native species, in disturbed woodlands it tends to behave invasively, forming a thick layer on the forest floor and reducing species diversity.
Carex pilosa, called hairy sedge, is a species of flowering plant in the genus Carex, native to central and eastern Europe as far as the Urals. It is typically found in temperate forests, where it may be the dominant species on the forest floor.
Carex pediformis is a species of sedge, native to Eurasia, from Eastern Europe to Korea. It is a forest-steppe specialist.
Carex trisperma, the three-seeded sedge, is a species of flowering plant in the genus Carex, native to Canada, Greenland, and the northeastern United States. It is typically found in acidic bogs within forests.
