Henry Fleming Decker

Swallenia is a rare monotypic genus of plants in the grass family, found only in Death Valley National Park, California. The only known species is Swallenia alexandrae, known by the common names Eureka dunegrass and Eureka Valley dune grass. This genus was named for American botanist Jason Richard Swallen (who specialized in grasses), while the species name was in honor of American philanthropist, museum founder, and paleontologist Annie Montague Alexander.

Allolepis is a genus of North American plants in the grass family. The only known species is Allolepis texana (Texas false saltgrass). Allolepis texana is similar to Distichlis spp. It is a dioecious, perennial herb reproducing by means of stolons running along the surface of the ground. Stems are glabrous, up to 70 cm (28 in) tall. Leaf blades are flat or somewhat folded, up to 43 cm (17 in) long and 6 mm (1⁄4 in) wide. The inflorescence is a tight panicle up to 6 cm (2+1⁄2 in) long with 5–70 spikelets. Staminate plants have up to 20 flowers per spikelet, pistillate plants only 5–9. All of

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Zeugites sylvaticus is a species of perennial bunchgrass. It is native to Colombia and Panama. It was first described as Calderonella sylvatica in 1973, the only species of the genus Calderonella.

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