Nieb - Olig
- Niebla caespitosa Spjut
- Niebla cephalota (Tuck.) Rundel & Bowler
- Niebla cephalota (Tuck.) Rundel & Bowler
- Niebla ceruchoides Rundel & Bowler
- Niebla combeoides (Nyl.) Rundel & Bowler
- Niebla combeoides (Nyl.) Rundel & Bowler
- Niebla cornea Spjut
- Niebla dactylifera Spjut
- Niebla disrupta (Nyl.) Spjut
- Niebla disrupta (Nyl.) Spjut
- Niebla dissecta Spjut
- Niebla eburnea Spjut
- Niebla fimbriata Spjut
- Niebla flagelliforma Spjut
- Niebla halei Spjut
- Niebla homalea (Ach.) Rundel & Bowler
- Niebla homalea (Ach.) Rundel & Bowler
- Niebla infundibula Spjut
- Niebla isidiascens Bowler, Marsh, T. Nash & Riefner
- Niebla laevigata Rundel & Bowler
- Niebla laminaria Spjut
- Niebla palmeri Spjut
- Niebla polymorpha Bowler, J.E. Marsh, T.H. Nash & Riefner
- Niebla procera Rundel & Bowler
- Niebla ramosissima Spjut
- Niebla robusta (R. Howe) Rundel & Bowler
- Niebla robusta (R. Howe) Rundel & Bowler
- Niebla Rundel & Bowler
- Niebla siphonoloba Spjut
- Niebla sorediata Spjut
- Niebla sorocarpia Spjut
- Niebla testudinaria (Nyl.) Spjut
- Niebla testudinaria (Nyl.) Spjut
- Niebla tuberculata Riefner, Bowler, J.E. Marsh & T.H. Nash
- Niebla undulata Spjut
- Nierembergia frutescens Durieu
- Nierembergia hippomanica Miers
- Nierembergia hippomanica Miers var. caerulea (Miers) Millán
- Nierembergia hippomanica Miers var. caerulea (Miers) Millán
- Nierembergia Ruiz & Pav.
