Cyperus haspan subsp. juncoides (Lamarck) Kükenthal Cyperus haspan var. americanus Boeckeler Cyperus juncoides Treatment appears in FNA Volume 23. Treatment
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E. Small Syst. Bot. 3: 63. 1978 Humulus americanus Nuttall. Ernest Small Endemic Synonyms: Humulus americanus Nuttall Treatment appears in FNA Volume 3
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1753 Synonyms: Cyperus ovularis (Michaux) Torrey Cyperus ovularis var. americanus Boeckeler Cyperus ovularis var. sphaericus Boeckeler Cyperus ovularis
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zosterifolius subsp. zosteriformis (Fernald) Hultén Potamogeton zosterifolius var. americanus A. Bennett Treatment appears in FNA Volume 22. Illustrator: John Myers
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20: 398. 1863,. Donna H. Miller, Harvey A. Miller Synonyms: Entosthodon americanus (Lindberg) Fife Treatment appears in FNA Volume 27. Treatment on page
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Schoenoplectus americanus (S. G. Smith 1995). Schoenoplectus americanus, S. pungens, and S. deltarum belong to the small “Scirpus americanus complex” T. Koyama
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tribeAsteraceae tribe Cardueae genusPlectocephalus speciesPlectocephalus americanus (Nuttall) D. Don in R. Sweet, Brit. Fl. Gard., ser. 2, 1: plate 51. 1830
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sparingly branched. > 2 2 Leaves basal and cauline Juncus stygius var. americanus 2 Leaves all basal. > 3 3 Primary bract of infloresence much longer than
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specimens of Styrax grandifolius can usually be distinguished from S. americanus by the hairs on the abaxial leaf blade surface, and the shape of the leaves
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Illustrator ⠉ Styracaceae Styracaceae Styracaceae Styracaceae Styrax Styrax americanus Styrax grandifolius Styrax redivivus Barbara Alongi Barbara Alongi Barbara
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Synonyms: Streptopus amplexifolius subsp. americanus (Schultes) Á. Löve & D. Löve Streptopus amplexifolius var. americanus Schultes Streptopus amplexifolius var
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populations occur elsewhere. Although leaf and spadix size of A. calamus and A. americanus overlap, those measurements differ significantly, with A. calamus in general
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foetidus John Myers John Myers John Myers Araceae Araceae Araceae Lysichiton americanus Calla palustris Peltandra sagittifolia John Myers John Myers John Myers
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Spreading globe-flower American globe-flower Endemic Synonyms: Trollius americanus de Candolle Treatment appears in FNA Volume 3. Stems to 0.5-5.2 dm, base
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foetidus John Myers John Myers John Myers Araceae Araceae Araceae Lysichiton americanus Calla palustris Peltandra sagittifolia John Myers John Myers John Myers
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Illustrator ⠉ Styracaceae Styracaceae Styracaceae Styracaceae Styrax Styrax americanus Styrax grandifolius Styrax redivivus Barbara Alongi Barbara Alongi Barbara
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Rocky Mountain fringed thistle Endemic Basionym: Cnicus carlinoides var. americanus A. Gray Proc. Amer. Acad. Arts 10: 48. 1874 Synonyms: Cirsium centaureae (Rydberg)
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serpyllifolius also has been applied to small-leaved, short-statured plants of C. americanus, some of which may be hybrids between that species and C. microphyllus
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114: 313--328. Titford, W. J. 1812. Sketches toward a Hortus Botanicus Americanus. London. None. window.propertiesFromHigherTaxa=[{"rank":"genus","name":"Thalia"
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blades; sides of mid culm deeply concave, rarely nearly flat. Schoenoplectus americanus 8 Spikelet scale apex notch (0.3–)0.5–1 mm deep, awns 0.5–1.5(–2.5) mm;
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