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- speciesAthyrium distentifolium Show Lower Taxa Athyrium distentifolium var. americanum Tausch ex Opiz Tent. fl. crypt. Boem. 1: 14. 1820.. Masahiro Kato Treatment1 KB (84 words) - 21:49, 20 February 2024
- Crinum americanum var. americanum (category Crinum americanum)LAYOUT:treatment:TUOYAL familyLiliaceae genusCrinum speciesCrinum americanum varietyCrinum americanum var. americanum Walter C. Holmes IllustratedEndemic Synonyms: Crinum2 KB (145 words) - 21:15, 5 November 2020
- Basionym: Athyrium alpestre var. americanum Butters Rhodora 19: 204. 1917 Synonyms: Athyrium alpestre subsp. americanum (Butters) Lellinger Athyrium alpestre4 KB (284 words) - 18:23, 1 March 2024
- LAYOUT:treatment:TUOYAL familyGrossulariaceae genusRibes speciesRibes americanum Miller Gard. Dict. ed. 8, Ribes no. 4. 1768,. Nancy R. Morin Common names:4 KB (426 words) - 22:42, 5 November 2020
- LAYOUT:treatment:TUOYAL familySaxifragaceae genusChrysosplenium speciesChrysosplenium americanum Schweinitz ex Hooker Fl. Bor.-Amer. 1: 242. 1832 ,. Craig C. Freeman,4 KB (395 words) - 22:41, 5 November 2020
- Climacium dendroides have been described as often apiculate, and those of C. americanum as gradually acute-acuminate, but this character often will not differentiate4 KB (436 words) - 21:38, 5 November 2020
- LAYOUT:treatment:TUOYAL familyLiliaceae genusNarthecium Show Lower Taxa Narthecium americanum, Narthecium californicum Hudson Fl. Angl., 127. 1762. Frederick H. Utech5 KB (485 words) - 21:15, 5 November 2020
- Erythronium americanum subsp. americanum (category Erythronium americanum)familyLiliaceae genusErythronium speciesErythronium americanum subspeciesErythronium americanum subsp. americanum Geraldine A. Allen, Kenneth R. Robertson IllustratedEndemic2 KB (161 words) - 21:14, 5 November 2020
- Erythronium americanum subsp. harperi (category Erythronium americanum)familyLiliaceae genusErythronium speciesErythronium americanum subspeciesErythronium americanum subsp. harperi (W. Wolf) C. R. Parks & Hardin Brittonia2 KB (146 words) - 21:14, 5 November 2020
- Crinum americanum var. traubii (category Crinum americanum)LAYOUT:treatment:TUOYAL familyLiliaceae genusCrinum speciesCrinum americanum varietyCrinum americanum var. traubii (Moldenke) L. S. Hannibal Bull. Louisiana Soc2 KB (117 words) - 21:15, 5 November 2020
- C Crinum americanum var. americanum G Galanthus nivalis H Hippeastrum puniceum49 bytes (11 words) - 17:57, 16 December 2019
- water-plantain alisma commun Illustrated Synonyms: Alisma plantago-aquatica var. americanum Schultes & Schultes f. Treatment appears in FNA Volume 22. Herbs, to 13 KB (243 words) - 20:31, 5 November 2020
- LAYOUT:treatment:TUOYAL familySparganiaceae genusSparganium speciesSparganium americanum Nuttall The Genera of North American Plants 2: 203. 1818. Robert B. Kaul4 KB (442 words) - 20:29, 5 November 2020
- genusCirsium speciesCirsium clavatum Show Lower Taxa Cirsium clavatum var. americanum, Cirsium clavatum var. clavatum, Cirsium clavatum var. osterhoutii (M5 KB (469 words) - 18:22, 6 November 2020
- names: Marsh horsetail prêle des marais Synonyms: Equisetum palustre var. americanum Victorin Treatment appears in FNA Volume 2. Aerial stems monomorphic,3 KB (216 words) - 22:24, 20 February 2024
- Hort. Kew. 3: 103. 1789 Synonyms: H. ascyroides Willdenow H. ascyron var. americanum (Spach) Y. Kimura H. bartramium Michaux H. macrocarpum Spach Roscyna americana4 KB (394 words) - 22:19, 5 November 2020
- Hultén & H. St. John Svensk Botanisk Tidskrift 25:455. 1931 (as Lysichitum americanum). Sue A. Thompson Common names: Skunk-cabbage IllustratedEndemic Treatment4 KB (460 words) - 16:13, 1 December 2021
- Synonyms: Polypodium vinlandicum A. Löve & D. Löve Polypodium vulgare var. americanum Hooker Polypodium vulgare var. virginianum (Linnaeus) D. C. Eaton Treatment4 KB (433 words) - 22:47, 20 February 2024
- Viscaceae Phoradendron juniperinum Phoradendron leucarpum Arceuthobium americanum Arceuthobium campylopodum subsp. campylopodum Santalum album Arceuthobium8 KB (866 words) - 19:16, 5 November 2020
- Blades cordate at base; roots not proliferous. Asplenium scolopendrium var. americanum 5 Blades tapered at base; roots proliferous. Asplenium serratum 6 Petioles10 KB (249 words) - 20:22, 5 November 2020