Subject
- Specific Epithet: bolanderi 1
- Specific Epithet: bonjeanii 2
- Specific Epithet: brachyphyllum 1
- Specific Epithet: brachyptera 4
- Specific Epithet: brachypus 8
- Specific Epithet: brasiliensis 1
- Specific Epithet: brevifolia 2
- Specific Epithet: brevipes 1
- Specific Epithet: brevirostre 4
- Specific Epithet: brevirostris 1
- Specific Epithet: brownianum 65
- Specific Epithet: bryoides 20
- Specific Epithet: bulbifera 1
- Specific Epithet: bushii 6
- Specific Epithet: caespiticium 1
- Specific Epithet: calcarea 1
- Specific Epithet: calyptrata 2
- Specific Epithet: campestre 3
- Specific Epithet: campylopoda 2
- Specific Epithet: cancellata 4