Label
Lichens -- North America
Incoming Resources
- Genera lichenum, an arrangement of the North American lichens, by Edward Tuckerman
- A synopsis of the North American lichens, Part I, comprising the parmeliacei, cladoniei, and coenogoniei, by Edward Tuckerman
- A synopsis of North American lichens, Part II, comprising the lecideacei, and (in part) the graphidacei, by Edward Tuckerman
- Statistics and distribution of North American lichens, by Henry Willey