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Axonopus pressus (Nees ex Steud.) Parodi Figure 18D Identification. Perennial tussock grass with conspicuous rhizomes, 0.7–1.5 m height. Identified by its leaf-blades linear-lanceolate, plain or conduplicate, obtuse apex, glabrous to densely covered with hairs, 20–35 cm long, 0.5– 1.0 cm wide, sometimes presenting a bluish coloration. Inflorescence with 9–25 alternate branches, 5–25 cm long. Remarks. A common species on the native grassland, occurring isolated or in small clusters. Brazilian range. Midwest, North (PA and TO states), Northeast (BA, MA and RN states), South (except SC state) and Southeast (except RJ state) regions. Materials examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′33″S, 046°40′42″W; 6 Mar. 2018; collection number vck250; HUFABC2094 • same collection as for preceding; collection number vck251; HUFABC 2095., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 527, DOI: 10.15560/17.2.507

Paspalum polyphyllum Nees in Trin. Figure 19H Identification. Perennial tussock grass, 30–66 cm height, with rhizomes and a bambusoid aspect. Leaf blades lanceolate, plane, apex acute, 2.5–11.7 cm long, 0.2–0.6 cm wide, glabrous or densely covered with hairs on both sides, ligulate. Distinguished by its inflorescence with 1–4 alternate branches, 2.5–7.8 cm long, and its spikelets with white hairs on the margins. Remarks. Relatively common species, occurring on native grassland and roadsides. Brazilian range. Midwest, Northeast (BA and MA states), South and Southeast (except ES state) regions. Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′52″S, 046°42′24″W; 11 Apr. 2018; collection number vck284; HUFABC2149., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 539, DOI: 10.15560/17.2.507

Axonopus aureus P. Beauv. Figure 18A Identification. Perennial tussock grass with short rhizomes, 30–70 cm height. Leaf-blades linear, apex acute, 6–15 cm long and 0.2–0.3 cm wide. It is recognized by its inflorescence with 2–7 sub-digitate racemes, 5–9 cm long, covered with golden trichomes. Remarks. Species with individuals in small clusters scattered across the native grassland, mainly over the shallow and rocky soils. Brazilian range. Midwest, North, Northeast (except AL, CE, PI and RN states), South, and Southeast regions. Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′33″S, 046° 40′42″W; 6 Mar. 2018; collection number vck248; HUFABC2092., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 523, DOI: 10.15560/17.2.507

Sporobolus cubensis Hitchc. Identification. Perennial tussock grass, 50–70 cm height. Leaf-blades lanceolate with trichomes on the margin, 10–23 cm long, 0.3–0.4 cm wide, ligulate. Distinguished by its open panicle, 8–15 cm long with verticillate branches. Remarks. Relatively common species on the native grassland, occurring mainly over shallow soils., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 543, DOI: 10.15560/17.2.507

Axonopus marginatus (Trin.) Chase Figure 18C Identification. Perennial tussock grass, 30–60 cm height. Leaf-blades linear, apex sub-acute, densely covered with hairs, 6–30 cm long, 0.2–0.8 cm wide. Characterized by its inflorescence with 2–11 sub-digitate branches, 4–11 cm long, concentrated on the apex and covered with silvery, yellowish, or brown trichomes. Remarks. A unusual species in the native grassland. Brazilian range. Midwest, North (except AC and AP states), Northeast, South (except RS state) and Southeast regions. Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′17″S, 046°41′40″W; 4 Nov. 2016; collection number vck11; HUFABC1877., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 527, DOI: 10.15560/17.2.507

Paspalum cordatum Hack. Identification. Perennial tussock grass, short rhizomes, 1.00– 1.65 m height. Leaf-blades linear, 6.5–40.0 cm long, 0.4–0.7 cm wide, acuminate, glabrous to densely hairy on both sides, ligulate. It is characterized by its inflorescence with 3–10 alternate branches, with solitary and cordiform spikelets. Remarks. Occurs on the native grassland, mainly over humid soils. Brazilian range. Midwest (except DF state), North (AM state), South (PR state), Southeast (except ES and RJ states) regions. Materials examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′56″S, 046°40′55″W; 16 Jan. 2018; collection number vck163; HUFABC2175 • same collection data as for preceding; collection number vck164; HUFABC2176., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 535, DOI: 10.15560/17.2.507

Arthropogon villosus Nees Figure 17G Identification. Perennial tussock grass, 40–90 cm height. Leaf–blades linear, glabrous or hirsute, 12–20 cm long, 0.6–0.8 cm wide, ligulate. Distinguished by its open panicle, 7–10 cm long, containing hairy spikelets with apical awn 3.5–5.0 mm long. Remarks. An unusual species on the native grassland, occurring mainly over the shallow and rocky soil. Brazilian range. Midwest, North (PA state), Northeast (BA and CE states), South (PR state) and Southeast (except ES and RJ states) regions. Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′17″S, 046° 41′40″W; 21 Oct. 2017; collection number vck110; HUFABC1981., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 523, DOI: 10.15560/17.2.507

Anthaenantia lanata (Kunth) Benth. Figure 17E Identification. Perennial tussock grass, 0.15–1.1 m height. Characterized by its leaf-blades glabrous, or sometimes hairy, plane and convolute, 7–60 cm long and 0.1–0.5 cm wide, with a clear and conspicuous central vein. Spikelets in a typical panicle, 8–20 cm long, with scattered hairs., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 523, DOI: 10.15560/17.2.507

Paspalum erianthum Nees ex Trin. Figure 19D Identification. Perennial tussock grass, 39–56 cm height. Leaf-blades lanceolate, hairy on both sides, 9–20 cm long, 0.4–0.5 cm wide, ligulate. It is identified by its inflorescence with 3–6 alternate branches, 1.5–4.4 cm long, with short trichomes and its elliptical and hairy spikelets. Remarks. Species observed scarcely on the native grassland. Considered Endangered in São Paulo state. Brazilian range. Midwest, North (PA and TO states), Northeast (BA and CE states), South (PR state) and Southeast (except ES state) regions. Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′56″S, 046°42′11″W; 4 Nov. 2016; collection number vck5; HUFABC1884., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 535, DOI: 10.15560/17.2.507

Andropogon lateralis Nees Figure 17C Identification. Perennial tussock grass, 0.40–1.75 m height. Leaf-blades linear, glabrous or hairy, 7–35 cm long and 0.2–0.4 cm wide, ligulate. It is identified by its inflorescence with 2–10 flower branches conjugated or sub-digitate, 3.5–6.0 cm long, pilose, with aristulate spikelets. Remarks. Unusual grass, occurring mainly on sites with high moisture. Brazilian range. Midwest, North (AM state), Northeast (MA state), South and Southeast (except ES state) regions. Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′17″S, 046°41′40″W; 10 Jan. 2018; collection number vck158; HUFABC2134., Published as part of 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, pp. 507-549 in Check List 17 (2) on pages 519-523, DOI: 10.15560/17.2.507

Hyparrhenia rufa (Nees) Stapf Identification. Perennial tussock grass, 1–2 m height. Leaf-blades linear, scabrous, 35–50 cm long, 0.4–0.6 cm wide, ligulate. Distinguished by its open panicle, 25–35 cm long, with hairy spikelets containing a 15–26 mm long awn. Common name. Capim-jaraguá Remarks. African grass with invasive potential. Widespread on some disturbed sites, not occurring on the native grassland. Brazilian range. Midwest, North (except AC and AP states), Northeast (except AL and RN states), South and Southeast regions. Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery; 23°20′17″S, 046°42′19″W; 15 Jun. 2018; collection number vck308; HUFABC2170., Published as part of 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, pp. 507-549 in Check List 17 (2) on page 531, DOI: 10.15560/17.2.507