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- broadly ovate, lingulate, elliptic, oblong or oblong-elliptic, (1.5–)2–2.5(–2.8) × 0.9–1.2 mm; margins 1-stratose, entire to subentire at the apex; apices very5 KB (606 words) - 22:26, 5 November 2020
- triangular-lingulate, 0.9–1.2 mm, apex rounded, usually 1/3–1/2 of leaf fibrillose; hyaline cells usually fibrillose in distal 1/3–1/2 of leaf, on convex surface4 KB (413 words) - 22:27, 5 November 2020
- Basionym: Mentzelia multiflora var. integra M. E. Jones Proc. Calif. Acad. Sci., ser. 2, 5: 689. 1895 Synonyms: Nuttallia lobata Rydberg 1913 Treatment appears4 KB (357 words) - 20:13, 5 November 2020
- tomentose to floccose. Involucres 2–2.5 mm, tomentose to floccose. Flowers (1.5–)2–2.5(–3) mm; perianth yellow. Achenes 1.5–2 mm. Phenology: Flowering Jul–Sep3 KB (247 words) - 21:12, 27 October 2022
- singly. Calyculi 0 or of 1–15+ bractlets in 1(–2+) series. Phyllaries persistent or falling, usually in 1–2 series, usually distinct, equal to subequal,18 KB (925 words) - 20:59, 5 November 2020
- perennial or annual. Stems 0.2–1.8 m. Leaves: 2–3 pairs near base; petiole 2–7 cm; blade broadly ovate to almost round, 2–11 × 2–13 cm, base shallowly cordate3 KB (245 words) - 22:58, 5 November 2020
- sheath, blade rhombic to oblanceolate, 2–10 × 0.4–2.8 cm, apex obtuse; cauline leaves sessile, blade oblanceolate, 2–10 × 2–5 mm. Inflorescences multibracteate;3 KB (221 words) - 23:01, 5 November 2020
- lawsoniana A. Murray bis Edinburgh New Philos. J., ser. 2, 1: 299, plate 10. 1855 Treatment appears in FNA Volume 2. Trees to 50 m; trunk to 3 m diam. Bark reddish3 KB (222 words) - 21:22, 5 November 2020
- Basionym: Rhamnus crocea var. pilosa Trelease ex Curran Proc. Calif. Acad. Sci., ser. 2, 1: 251. 1888 Synonyms: R. crocea subsp. pilosa (Trelease ex Curran) C.3 KB (252 words) - 20:13, 5 November 2020
- sect. Pictae speciesCarex baltzellii Chapman ex Dewey Amer. J. Sci. Arts, ser. 2, 3: 355. 1847. Peter W. Ball IllustratedEndemicConservation concern Treatment3 KB (221 words) - 21:38, 5 November 2020
- geniculata (B. L. Robinson) Millspaugh Publ. Field Columbian Mus., Bot. Ser. 2: 126. 1900. James E. Rodman Basionym: Cakile maritima var. geniculata B3 KB (218 words) - 23:35, 5 November 2020
- EndemicIllustrated Basionym: Platystigma lineare Bentham Trans. Hort. Soc. London, ser. 2, 1: 407. 1834 Synonyms: Meconella linearis (Bentham) A. Nelson & J. F. Macbride3 KB (232 words) - 22:50, 5 November 2020
- Rep. U.S. Mex. Bound. 2(1): 173. 1859. Richard W. Spellenberg Basionym: Quamoclidion oxybaphoides A. Gray Amer. J. Sci. Arts, ser. 2, 15: 320. 1853 Synonyms:3 KB (259 words) - 21:26, 7 December 2022
- ludovicianum Kunze Amer. J. Sci. Arts, ser. 2, 6: 84. 1848 Synonyms: Dryopteris floridana (Hooker) Kunze Treatment appears in FNA Volume 2. Leaves somewhat dimorphic3 KB (219 words) - 21:22, 5 November 2020
- arquée Endemic Basionym: Aspidium campylopterum Kunze Amer. J. Sci. Arts, ser. 2, 6: 84. 1848 Synonyms: Dryopteris austriaca (Jacquin) Schinz & Thellung3 KB (238 words) - 23:17, 20 February 2024
- genusBrachymenium speciesBrachymenium mexicanum Montagne Ann. Sci. Nat., Bot., sér. 2, 9: 54. 1838. John R. Spence Treatment appears in FNA Volume 28. Treatment2 KB (185 words) - 22:34, 5 November 2020
- Polygonoideae genusEmex speciesEmex australis Steinheil Ann. Sci. Nat., Bot., sér. 2, 9: 195, plate 7. 1838. Craig C. Freeman Common names: Doublegee southern3 KB (239 words) - 23:07, 5 November 2020
- snakecactus Illustrated Basionym: Cereus emoryi Engelmann Amer. J. Sci. Arts, ser. 2, 14: 338. 1852 Treatment appears in FNA Volume 4. Treatment on page 1823 KB (261 words) - 22:58, 5 November 2020
- familyPlantaginaceae genusSynthyris speciesSynthyris alpina A. Gray Amer. J. Sci. Arts, ser. 2, 34: 251. 1862. Larry D. Hufford Common names: Alpine kittentail or besseya3 KB (262 words) - 20:36, 5 November 2020
- Betuloideae genusBetula speciesBetula michauxii Spach Ann. Sci. Nat., Bot., sér. 2, 15: 195. 1841. John J. Furlow Common names: Newfoundland dwarf birch Michaux's3 KB (282 words) - 15:14, 29 February 2024