Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)