All Species in Hypogymnia
- Bitter Tube Lichen (Hypogymnia bitteri)
- Duplicate Tube Lichen (Hypogymnia duplicata)
- Hypogymnia apinnata (Hypogymnia apinnata)
- Hypogymnia subphysodes (Hypogymnia subphysodes)
- Imshaug's Tube Lichen (Hypogymnia imshaugii)
- Inactive Tube Lichen (Hypogymnia inactiva)
- Krog's Tube Lichen (Hypogymnia krogiae)
- Pacific Tube Lichen (Hypogymnia canadensis)
- Seaside Tube Lichen (Hypogymnia oceanica)
- Tube Lichen (Hypogymnia austerodes)
- Tube Lichen (Hypogymnia enteromorpha)
- Tube Lichen (Hypogymnia farinacea)
- Tube Lichen (Hypogymnia heterophylla)
- Tube Lichen (Hypogymnia lugubris)
- Tube Lichen (Hypogymnia metaphysodes)
- Tube Lichen (Hypogymnia mollis)
- Tube Lichen (Hypogymnia physodes)
- Tube Lichen (Hypogymnia pulverata)
- Tube Lichen (Hypogymnia rugosa)
- Tube Lichen (Hypogymnia subcapitata)
- Tube Lichen (Hypogymnia subobscura)
- Tube Lichen (Hypogymnia tubulosa)
- Vitt Tube Lichen (Hypogymnia vittata)
- Western Tube Lichen (Hypogymnia occidentalis)