Quercus kelloggii, the California black oak, also known as Kellogg oak, is an oak in the red oak section native to western North America. Although genetically separated from them for more than 20 million years, its leaves are remarkably similar in appearance to several other members of the red oak section including the red oak and the black oak found in eastern and central North America.
Thunbergia alata, commonly called black-eyed Susan vine, is a herbaceous perennial climbing plant species in the family Acanthaceae. It is native to Eastern Africa, and has been naturalized in other parts of the world.
Prunus subcordata, known by the common names Klamath plum, Oregon plum, Pacific plum and Sierra plum, is a member of the genus Prunus, native to the western United States, especially California and Oregon.
Tauschia is a genus of flowering plants in the carrot family which are known as umbrellaworts. These are perennial plants with taproots or tubers and foliage generally resembling that of relatives parsley and carrot. Tauschia are native to the Americas.
Antirrhinum kelloggii is a species of New World snapdragon known by the common name Kellogg's snapdragon.
Panicum capillare, known by the common name witchgrass, is a species of grass. It is a native plant to most of North America from the East Coast through all of the West Coast and California. It can be found as an introduced species in Eurasia, and as a weed in gardens and landscaped areas. It grows in many types of habitat.
Lewisia kelloggii is a species of flowering plant in the family Montiaceae known by the common name Kellogg's lewisia. It is endemic to the Sierra Nevada of California, where it is known from several sites high in the mountains. It grows in rocky mountain habitat in granite and slate substrates. This is a perennial herb growing from a thick, short taproot and caudex unit. It produces a basal rosette of many thick, leathery, spoon-shaped leaves up to 9 centimeters long. The inflorescence bears several flowers, each on a very short stalk. The flower has 5 to 13 shiny white or pinkish petals just over a centimeter long. Under the petals are two sepals and two similar bracts lined with spherical resin glands.
Lilium kelloggii is a species of lily known by the common name Kellogg's lily. It is endemic to the Klamath Mountains of northwestern California and southwestern Oregon, where it grows in forests, including those dominated by redwoods.
Lythrum hyssopifolia is a species of flowering plant in the loosestrife family known by the common names hyssop loosestrife and grass-poly. It is native to Europe but it is known elsewhere, including parts of Australia and eastern and western North America, as an introduced species and sometimes a weed. It is rare in the United Kingdom, with occasional isolated populations. It often grows in moist habitats, such as marshes and wet agricultural fields, rice paddies, for example.
Diplacus kelloggii is a species of monkeyflower known by the common name Kellogg's monkeyflower. It is native to the mountains and foothills of northern California and southern Oregon, where it grows in bare, disturbed, and shifting substrates, such as recent rockslides and scree.
Perideridia kelloggii is a species of flowering plant in the family Apiaceae known by the common name Kellogg's yampah. It is endemic to California, where it is known from the north and central coasts, the San Francisco Bay Area, and the Sierra Nevada foothills. It grows in grassland habitat, sometimes on serpentine soils. It is a perennial herb which may reach 1.5 meters in maximum height, its slender, erect stem growing from a cluster of long, narrow, fibrous roots each up to 15 centimeters long. Leaves near the base of the plant have blades up to 45 centimeters wide which are divided into many leaflets subdivided into narrow, elongated lobes. The inflorescence is a compound umbel of many spherical clusters of small white flowers. These yield ribbed, oblong-shaped fruits each about half a centimeter long.
Poa kelloggii is a species of grass known by the common name Kellogg's bluegrass. It is endemic to the North and Central Coasts of California, where it grows in coastal forests, including redwood forests. It is a perennial grass producing single stems or loose clumps of several stems up to 85 centimeters tall. The inflorescence is a series of branches along the stem which spread out and then droop as the fruit matures. The flattened spikelets occur at the tips of the thin branches.
Raillardella pringlei is an uncommon species of flowering plant in the family Asteraceae known by the common name showy raillardella.
Raillardella scaposa is a species of flowering plant in the family Asteraceae known by the common name stem raillardella. It is native to the Sierra Nevada of California and western Nevada and parts of the southern Cascade Range in Oregon, where it grows in varying habitat types, from wet to dry and exposed to shaded. It is a rhizomatous perennial herb growing in a clump of rosetted basal leaves. The leaves are linear to lance-shaped, up to 16 centimeters long, and glandular. The plant produces an inflorescence just a few centimeters to half a meter tall consisting of flower heads which are cylindrical to hemispheric in shape. Each head contains many yellow to orange disc florets and sometimes a few ray florets. The fruit is a long, narrow achene 1 to 2 centimeters in length including its pappus of plumelike bristles.
Rosa spithamea is a species of rose known by the common names ground rose and coast ground rose. It is native to Oregon and California, where it grows in forest and chaparral habitats, especially areas recently burned.
Senna didymobotrya is a species of flowering plant in the legume family known by the common names African senna, popcorn senna, candelabra tree, and peanut butter cassia. It is native to Africa, where it can be found across the continent in several types of habitats.
Tauschia arguta is a species of flowering plant in the carrot family known by the common name southern umbrellawort. It is native to the mountains of southern California and Baja California, where it grows in local habitat types such as woodlands and chaparral.
Tauschia hartwegii is a species of flowering plant in the carrot family known by the common name Hartweg's umbrellawort. It is endemic to California, where it is known from the Sierra Nevada foothills and some of the Central Coast Ranges. Its habitat includes coniferous woodlands and chaparral. It is a perennial herb growing 30 centimeters to one meter tall. It is coated in short, rough hairs. The leaves have blades which are divided into oval leaflets with serrated edges and borne on long petioles. The inflorescence is a compound umbel of yellow flowers with up to 30 unequal rays measuring 2 to 12 centimeters long each. The fruit is somewhat rounded in shape, ribbed, and under a centimeter long.
Tauschia howellii is a rare species of flowering plant in the carrot family known by the common names Howell's umbrellawort and Howell's tauschia. It is endemic to the Klamath Mountains of far southern Oregon and far northern California, where it is limited to nine occurrences in the Siskiyou Mountains. It grows in mountain forests on gravelly granite soils, often among stands of Shasta red fir. Despite its rarity it is stable and not considered very endangered. It is a perennial herb growing 30 to 80 centimeters tall. It is hairless in texture. The thick leaves have blades which are divided into leaflets large, sharp teeth and edges curved up, and borne on long petioles. The short inflorescence is a compound umbel of yellow flowers on a few short rays. The fruit is oblong, ribbed, and just a few millimeters long.
Tauschia parishii is a species of flowering plant in the carrot family known by the common name Parish's umbrellawort. It is endemic to California.
