| Stable identifier | Scientific Name | Media |
| https://herbarium.bgbm.org/object/B100250250 | Syngonanthus squarrosus Ruhland |
|
| https://herbarium.bgbm.org/object/B100250251 | Syngonanthus vernonioides var. melanolepis Silveira |
|
| https://herbarium.bgbm.org/object/B100250253 | Syngonanthus sinuosus Silveira |
|
| https://herbarium.bgbm.org/object/B100250267 | Syngonanthus macrolepis Silveira |
|
| https://herbarium.bgbm.org/object/B100250279 | Syngonanthus arenarius var. heterophyllus (Koern.) Ruhland |
|
| http://herbarium.bgbm.org/object/B200112297 | Huperzia treitubensis (Silveira) B. Øllg. |
|
| http://herbarium.bgbm.org/object/B200129459 | Selaginella vestiens Baker |
|
| http://herbarium.bgbm.org/object/B200095193 | Selaginella vestiens Baker |
|
| https://herbarium.bgbm.org/object/B100157395 | Portea silveirae |
|
| https://herbarium.bgbm.org/object/B100157396 | Portea silveirae |
|
Publications by Alvaro Astolpho da Silveira