A monograph of the lichen genus bulbothrix Hale (Parmeliaceae)
Hale, Mason E., Jr.
A monograph of the lichen genus bulbothrix Hale (Parmeliaceae) - Washington : Smithsonian Institution, 1976 - 28 p. : ilus. - Smithsonian contributions to botany ; 32 . - Smithsonian contributions to botany ; 32 .
24289
Parmeliaceas.
A monograph of the lichen genus bulbothrix Hale (Parmeliaceae) - Washington : Smithsonian Institution, 1976 - 28 p. : ilus. - Smithsonian contributions to botany ; 32 . - Smithsonian contributions to botany ; 32 .
24289
Parmeliaceas.