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Heliotropium myosotoides
| Heliotropium myosotoides Chapman, Fl. South. U.S. 330. 1860, non Lehmann 1817. | | TYPE: FLORIDA: |
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Heliotropium phyllostachyum
| Heliotropium phyllostachyum Torrey, in Emory, Rep. U.S. Mex. Bound. 2(1): 137. 1858 ("1859"). | | |
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Pioctonum antillanum
| Pioctonum antillanum Rafinesque, Sylva Tellur. 88. 1838, nom. illegit. | BASIONYM: Heliotropium fruticosum Linnaeus 1759. | |
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Anchusa incana
| Anchusa incana Sessé y Lacasta & Moçiño, Fl. Mexic. 30. 1893, non Ledebour 1847. | | TYPE: MEXICO: |
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Heliotropium assurgens
| Heliotropium assurgens I. M. Johnston, J. Arnold Arbor. 20: 375. 1939. | BASIONYM: Heliotropium phyllostachyum Torrey, var. erectum J. F. Macbride 1916. | |
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Heliotropium campechianum
| Heliotropium campechianum Kunth, in Humboldt et al., Nov. Gen. Sp. 3: 86. 1819, non Lehmann 1818. | | TYPE: MEXICO: |
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Heliotropium campechianum
| Heliotropium campechianum Lehmann, Nova Acta Phys.-Med. Acad. Caes. Leop.- Carol. Nat. Cur. 9: 137. 1818; Pl. Asperif. Nucif. 69. 1818. | | TYPE: MEXICO: |
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Heliotropium phyllostachyum var. erectum
| Heliotropium phyllostachyum Torrey, var. erectum J. F. Macbride, Proc. Amer. Acad. Arts 51: 542. 1916. | | TYPE: MEXICO: Sinaloa: Culiacán, 4 Oct 1904, Brandegee s.n. (holotype: GH). |
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Heliotropium piauhiense
| Heliotropium piauhiense Guerke, in Engler & Prantl, Nat. Pflanzenfam. 4(3a): 97. 1893. | BASIONYM: Schleidenia ovalifolia Fresenius 1857. | |
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Heliotropium texanum
| Heliotropium texanum I. M. Johnston, J. Arnold Arbor. 29: 231. 1948. | | TYPE: TEXAS: Kenedy Co.: 3 mi. S of Sarita, King Ranch, Oct. 1946, Lundell 14721 (holotype: GH). |
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Schleidenia ovalifolia
| Schleidenia ovalifolia Fresenius, in Martius, Fl. Bras. 8(1): 41. 1857. | | TYPE: BRAZIL: Piauhy: Near Boa Esperanca, 1839, Gardner 2261 (holotype: ?; isotypes: BM, K). |