Sidney Fay Blake

Symphoricarpos albus is a species of flowering plant in the honeysuckle family known by the common name common snowberry. Native to North America, it is browsed by some animals and planted for ornamental and ecological purposes, but is poisonous to humans.

Alepidocline is a genus of flowering plants in the family Asteraceae described as a genus in 1934. Alepidocline is native to southern Mexico, Guatemala, and western Venezuela. Species Alepidocline annua S.F. Blake - Chiapas, Guatemala, Táchira Alepidocline breedlovei (B.L.Turner) B.L. Turner - Chiapas Alepidocline macdonaldana B.L.Turner - Oaxaca Alepidocline macrocephala (H. Rob.) B.L. Turner - Mérida Alepidocline pochutlana B.L. Turner - Oaxaca Alepidocline trifida (J.J. Fay) B.L. Turner - Oaxaca

Tithonia rotundifolia, the red sunflower or Mexican sunflower, is a plant in the family Asteraceae whose native range is Mexico to Central America and which grows primarily in the seasonally dry tropical biome.

Stenopadus is a genus of South American plants in the family Asteraceae. It includes 15 species native to tropical South America, including Colombia, Ecuador, Peru, Venezuela, Guyana, and northern Brazil.

Schizolobium parahyba, the Brazilian firetree, or Brazilian fern tree, is a species of tree from tropical America. It is the sole species in genus Schizolobium. It is notable for its fast growth (up to 3 meters per year). Uder optimal conditions it may reach 30 meters high in only five years, which would make it one of the fastest growing trees ever (an average growth of 6 meters per year). The tree is locally known by many names, including guapuruvu, guapiruvu, bacurubu, ficheira ("token tree"), faveira ("fava tree"), pau-de-vintém ("penny-wood"), pau-de-tamanco ("clog-wood"), umbela, and

Phoebanthus, called false sunflower, is a genus of North American plants in the tribe Heliantheae within the family Asteraceae. Phoebanthus includes two species of herbaceous perennials that are both native to the southeastern United States The genus is a close relative of Helianthus, the genus of the common sunflower, and the plants have the general appearance of a sunflower.

Pappobolus is a genus of flowering plant in the family Asteraceae native to the Andes Mountains of Colombia, Ecuador, and Peru. Pappobolus is distinguished from closely related genera by its combination of shrubby habit and usually caducous pappus. Within the genus there is considerable variation in the pappus, a structure that has traditionally been considered a key to defining genera in Asteraceae, and this led to earlier confusion in defining the genus. Most of the species of the genus were originally described as members of Helianthus, based on having a pappus of two caducous awns. When

Duidaea is a genus of Venezuelan flowering plants in the family Asteraceae. The Duidaea is derived from the Cerro Duida (or Mount Duida) in Venezuela. Species Duidaea marahuacensis Steyerm. - Venezuela Duidaea pinifolia S.F.Blake - Venezuela Duidaea rubriceps S.F.Blake - Venezuela Duidaea tatei S.F.Blake - Venezuela

Steiractinia is a genus of South American plants in the tribe Heliantheae within the family Asteraceae.

Salvia holwayi is a herbaceous perennial native to Guatemala at elevations of 3,000–9,000 feet and at similar elevations in the Mexican state of Chiapas, where it frequently makes an understory in mixed pine and oak forests and thickets. It was named after 19th century plant and fungi collector Edward Willet Dorland Holway. Salvia holwayi grows 3–5 feet tall and can easily spread to 8–10 ft in one year. Its long floppy stems grow over and into other shrubs and trees, with many 8 in inflorescences on each stem. The cardinal-red flowers are almost 1 inch long and inflated in the center. With

Lepidonia is a genus of Mesoamerican flowering plants in the family Asteraceae. Species Lepidonia callilepis (Gleason) H.Rob. & Funk - Michoacán, Guerrero, Oaxaca Lepidonia corae (Standl. & Steyerm.) H.Rob. & V.A.Funk - Guatemala Lepidonia jonesii (B.L.Turner) H.Rob. & V.A.Funk - Oaxaca Lepidonia lankesteri (S.F.Blake) H.Rob. & V.A.Funk - Costa Rica Lepidonia mexicana (Less.) H.Rob. & Funk - Veracruz Lepidonia paleata S.F.Blake - Guatemala Lepidonia salvinae (Hemsl.) H.Rob. & Funk - Guatemala, Chiapas

Iltisia is a genus of Central American flowering plants in the family Asteraceae. Species Iltisia echandiensis R.M.King & H.Rob. – Panama, Costa Rica Iltisia repens S.F.Blake – Costa Rica

Ferreyrella is a genus of Peruvian flowering plants in the family Asteraceae. Species Ferreyrella cuatrecasasii R.M.King & H.Rob. Ferreyrella peruviana S.F.Blake

Ericentrodea is a genus of South American flowering plants in the family Asteraceae. Species Ericentrodea corazonensis (Hieron.) S.F.Blake & Sherff - Colombia, Ecuador Ericentrodea davidsmithii H.Rob. - Bolivia Ericentrodea decomposita S.F.Blake & Sherff - Peru Ericentrodea homogama (Hieron.) S.F.Blake & Sherff - Ecuador Ericentrodea mirabilis (Sherff) S.F.Blake & Sherff - Ecuador Ericentrodea ramirezii H.Rob. & S.Díaz - Colombia

Syncretocarpus is a genus of flowering plants in the family Asteraceae. It consists of sub-shrubs that are endemic to the Andean Mountain region of Peru. They occur in dry, rocky canyons. It is a member of the subtribe Helianthinae, which includes the common sunflower (Helianthus). The genus is characterized by the presence of corky margins on the cypselae (achenes), as well as the presence in two species of a conspicuous elaiasome. It appears to be the sister group to the Andean genus Pappobolus, which lacks either corky margins or an elaiasome on its cypselae. Species Syncretocarpus

Raouliopsis is a genus of South American plants in the tribe Gnaphalieae within the family Asteraceae. Species Raouliopsis pachymorpha (Wedd.) S.F.Blake - Venezuela, Colombia Raouliopsis seifrizii S.F.Blake - Magdalena region in Colombia

Harleya is a genus of Mesoamerican flowering plants in the family Asteraceae. The genus is named for Prof. Harley Harris Bartlett, 1886–1960. Species There is only one known species, Harleya oxylepis, native to Belize, Tabasco, and the Yucatán Peninsula.

Artemisia papposa is a species of flowering plant in the aster family known by the common names Owyhee sage, Owyhee sagebrush, and fuzzy sagebrush. It is native to the Snake River Plain and surrounding areas in the northwestern United States, occurring in southern Idaho, eastern Oregon, and northern Nevada. This small aromatic shrub grows up to 15 or 20 centimeters tall with several grayish stems. The small gray-green leaves are usually lobed. The inflorescence is an array of several flower heads containing yellow ray and disc florets. The fruit is an achene. Unlike those of most other

Trichocoryne is a genus of flowering plants in the tribe Heliantheae within the family Asteraceae. Species The only known species is Trichocoryne connata, native to the State of Durango in Mexico.

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Schismocarpus is a genus of flowering plants belonging to the family Loasaceae. Its native range is Southern Mexico. Species: Schismocarpus matudae Steyerm. Schismocarpus pachypus S.F.Blake

Rinorea squamata is a species of plant in the Violaceae family. It is found in Costa Rica, Honduras, Nicaragua, and Panama.

Rinorea melanodonta is a species of tree native to countries such as Colombia, Venezuela, Trinidad-Tobago, and Guyana. It occurs at an elevation range from 200 to 300 metres (660 to 980 ft). It is related to Rinorea brachythrix but is differentiated by the short filaments. This species can also grow up to 4 to 5 metres (13 to 16 ft) tall.

Oxycarpha is a genus of Colombian flowering plants in the tribe Heliantheae within the family Asteraceae. Species The only known species is Oxycarpha suaedifolia, native to the Guajira Peninsula of northeastern Colombia.

Neomillspaughia is a genus of plants in the family Polygonaceae with three known species in southeastern Mexico and Central America. Neomillspaughia emarginata (H.Gross) S.F.Blake Neomillspaughia hondurensis J.J.Ortíz & Arnelas Neomillspaughia paniculata (Donn.Sm.) S.F.Blake The genus was first described by Sidney Fay Blake in 1921. He named the reclassified genus after Charles Frederick Millspaugh in recognition of Millspaugh's extensive collecting in Southeastern Mexico and the West Indies.

Heliopsis longipes is a rare species of flowering plant in the family Asteraceae. It has been found only in the states of Guanajuato, San Luis Potosí, Hidalgo, and Querétaro in north-central Mexico. Locally called chilcuague, Azteca gold root, and many other names, it was considered powerful medicine for the prehispanic populations of México.

Echinacea laevigata, the smooth purple coneflower, is a federally listed threatened species of plant found in the Piedmont of the eastern United States. Most populations are found on roadsides and other open areas with plenty of sunlight, often on calcium- and magnesium- rich soils.

Decazyx is a genus of flowering plants belonging to the family Rutaceae. Its native range is southern Mexico to Central America. Species: Decazyx esparzae F.Chiang – southern Mexico, Honduras, and Costa Rica Decazyx macrophyllus Pittier & S.F.Blake – Guatemala and Honduras

Coreopsis basalis, commonly known as the goldenmane tickseed, is a North American plant species in the sunflower family. It is native to the southeastern and south-central United States from Texas to the Carolinas. Isolated populations (apparently escapees from cultivation) have been reported from Connecticut, Illinois, and California.

Wedelia oxylepis is a species of flowering plant in the family Asteraceae. It is found only in Ecuador. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.