Calamagrostis viridiflavescens (Poir.) Steud.

Camargo Keller, Victor, Lopes Pereira-Silva, Erico Fernando & Hardt, Elisa, 2021, High richness, new occurrences, and threatened species in a savanna grassland remnant in the largest Brazilian metropolis, Check List 17 (2), pp. 507-549 : 527

Calamagrostis viridiflavescens (Poir.) Steud.

Figure 18F

Identification. Perennial tussock grass, with short rhizomes, 0.5–1.1 m height. Leaf-blades linear, glabrous, 10–30 cm long, 0.5–1.0 cm wide, ligulate. Identified by its green-yellowish contracted panicle inflorescence, 17– 34 cm long.

Remarks. An unusual species on the native grassland, observed mainly in places with little disturbance.

Brazilian range. South and Southeast regions.

Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery ; 23°20′42″S, 046°42′06″W; 19 Nov. 2016; collection number vck16; HUFABC1890 .

Digitaria corynotricha (Hack.) Henrard Identification. Perennial tussock grass, 50–80 cm height. Leaf-blade lanceolate, with trichome in both faces, 8–14 cm long, 0.4 cm wide, ligulate. It is recognized by its inflorescence with 1–2 erect branches, 10–15 cm long, spikelets with dark-brown hairs.

Remarks. A rare species on the native grassland. Considered Endangered in São Paulo state.

Brazilian range. Midwest, North (PA state), Northeast (BA state), South (except SC state) and Southeast (except ES and RJ states) regions.

Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery ; 23°20′42″S, 046°42′06″W; 2 Dec. 2017; collection number vck117; HUFABC1892 .