| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | s. | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Oaxaca | e. | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Quintana Roo | e. | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Anguilla | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Aruba | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Bahamas | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Barbados | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Cayman Islands | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Colombia | Providencia Island | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Cuba | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Dominica | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Dominican Republic | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Grenada | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Guadeloupe | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Haiti | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Jamaica | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Martinique | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Netherlands Antilles | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | St. Lucia | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | St. Vincent and Grenadines | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Trinidad and Tobago | Tobago | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Turks and Caicos Islands | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | United States | Puerto Rico | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | United States | Virgin Islands, U.S. | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | United States | Virgin Islands, U.S. | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Caribbean | Virgin Islands (British) | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Central America | Honduras | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Central America | Nicaragua | | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |
| 1 | Native | Southern America | Northern South America | Venezuela | Falcón | | Gottschling, M. & J. S. Miller. 2018. A taxonomic revision of the New World species of Bourreria (Ehretiaceae, Boraginales). Syst. Bot. Monogr. 103:65-72. |