Harvey Monroe Hall

Leptosyne gigantea, known by the common name giant coreopsis, is a woody perennial plant native to coastal regions of central and southern California and also to northern Baja California.

Monoptilon bellioides, the desert star, also called Mojave desertstar, is a desert flowering plant in the family Asteraceae.

Ericameria pinifolia is a species of flowering shrubs in the family Asteraceae known by the common name pinebush. This plant is native to southern California and northern Baja California. Ericameria pinifolia is found in scrub and chaparral from the inland Peninsular and western Transverse Ranges foothills to the Colorado Desert. It is a green, hairless shrub sometimes as much as 300 cm (10 feet) tall. It is covered in clustered needle-like leaves each 1-4 centimeters (0.4-1.6 inches) long which at first glance look like very young pine needles. The leaves are fleshier than true needles and

Arnica venosa is a rare California species of flowering plant in the family Asteraceae known by the common name Shasta County arnica. It should not be confused with the Mt. Shasta arnica, A. viscosa. Arnica venosa is endemic to the Klamath Mountains of northwestern California, where it can be found only in Shasta and Trinity Counties.

Stephanomeria tenuifolia, the narrow-leaved wire-lettuce or narrow leaved stephanomeria, is a perennial plant in the family Asteraceae that grows in the Great Basin of the western United States. It has five ray flowers that give it the appearance of being petals of a single flower of a plant in another plant family.

Frasera neglecta (syn. Swertia neglecta) is a species of flowering plant in the gentian family known by the common name pine green gentian. The plant is endemic to California, where it is known from the Western Transverse Ranges in the Greater Los Angeles region, and the Southern California Coast Ranges. It grows in chaparral, oak woodlands, and other habitats.

Ericameria palmeri, or Palmer's goldenbush, is a North American species of flowering shrubs in the family Asteraceae. It is native to southern California in the United States and to the state of Baja California in Mexico. Ericameria palmeri is a branching shrub sometimes as much as 400 cm (over 13 feet) tall. Leaves are linear to narrowly oblanceolate. One plant can produce many small, yellow flower heads, each containing 2–8 ray florets and 6–20 disc florets. Varieties Ericameria palmeri var. pachylepis (H.M.Hall) G.L.Nesom - California from northern San Diego County north to Kern and San

Ericameria cooperi, or Cooper's goldenbush, is a North American species of shrubs that grows in the desert regions of southern Nevada, southern and eastern California, and Baja California. It is in the goldenbush genus in the (sunflower family). Ericameria cooperi is a shrub. Leaves are long and narrow, sometimes thread-like, without hairs. One plant can produce several flower heads in a flat-topped array, each head containing 6-7 disc florets but no ray florets. Varieties Ericameria cooperi var. bajacalifornica (Urbatsch & Wussow) Urbatsch - Baja California Ericameria cooperi var. cooperi -

Leptosyne douglasii is a species of flowering plant in the family Asteraceae known by the common name Douglas' tickseed. It is native to California from Santa Clara County to San Diego County, as well as from Mohave County in Arizona. The plant grows on the slopes of the Transverse Ranges, and the Inner South California Coast Ranges adjacent to the western edge of the Central Valley—San Joaquin Valley.

Erigeron aequifolius is a rare species of flowering plant in the family Asteraceae known by the common names Hall's daisy and Hall's fleabane.

Ericameria parishii, or Parish's rabbitbrush, is a western North American species of flowering plants in the family Asteraceae.

Ericameria brachylepis is a North American species of flowering shrub in the family Asteraceae known by the common names chaparral goldenbush and boundary goldenbush. It is native to Arizona, southern California and northern Baja California where it is a member of the chaparral plant community.

Artemisia campestris subsp. borealis is an arctic and alpine subspecies of plant in the sunflower family, commonly known as northern wormwood, boreal sage, boreal wormwood or boreal sagewort. It is native to high latitudes and high elevations in Eurasia and North America. In North America, it can be found in Alaska, Greenland, the Canadian Arctic, and the Rockies, Cascades, and Sierra Nevada as far south as Arizona and New Mexico. In Eurasia, it is widespread across European and Asiatic Russia and also grows in Scandinavia and in the mountains of central Europe (Carpathians, Alps, etc.)

Potentilla callida, commonly known as Tahquitz mousetail, is a rare species of flowering plant in the rose family. The plant is endemic to the San Jacinto Mountains of Riverside County, California, where it is known from only two occurrences. The plant grows in cracks and crevices of granite mountain cliffs. It was named for Tahquitz Rock, a rock formation in its endemic range. The rock formation was named for the Native American spirit Tahquitz.

Hymenoxys biennis is a North American species of flowering plant in the daisy family. It is native to the state of Utah in the western United States.

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