Schemes including Passerina cyanea

• eBird/Clements Checklist 6.8 Passerina cyanea
• IUCN Red List of Threatened Species. Version 2012.1 Passerina cyanea
• eBird/Clements Checklist 6.7 Passerina cyanea
• IUCN Red List of Threatened Species. Version 2012.2 (106009651) Passerina cyanea
• CONABIO (189444AVESB501112) Passerina cyanea
• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.103315) Passerina cyanea
• eBird/Clements Checklist 6.9 Passerina cyanea
• GBIF (2490327) Passerina cyanea
• eBird/Clements Checklist v2017 Passerina cyanea