Books by Theodore D. A. Cockerell
The Colorado Desert of Califor
The Colorado Desert of California its origin and biota
Kate Olivia sessions and Calif
Kate Olivia sessions and California floriculture
Bees from the Caroline and Pal
Bees from the Caroline and Palau Islands and Yap (Hymenoptera, Apoidea)
Studies of the Pacific bees in
Studies of the Pacific bees in the collection of Bishop Museum (Hymenoptera, Apoidea)
Recollections of a naturalist
Recollections of a naturalist
A new golden rod from Northern
A new golden rod from Northern New Mexico
Collarette flowers
Collarette flowers
Ellsworth Bethel
Ellsworth Bethel
The supposed fossil Ophiogloss
The supposed fossil Ophioglossum
The life of the people
The life of the people
A journey in Siberia
A journey in Siberia
Zo©œlogy
Zo©œlogy
Hybrid perennial sunflowers
Hybrid perennial sunflowers
Notes on Lycaste
Notes on Lycaste
The Girasole or Jerusalem arti
The Girasole or Jerusalem artichoke
The varieties of Helianthus tu
The varieties of Helianthus tuberosus
The Girasole or Jerusalem arti
The Girasole or Jerusalem artichoke, a neglected source of food
The story of the red sunflower
The story of the red sunflower
Adult characters in sunflower
Adult characters in sunflower seedlings
Somatic mutations in sunflower
Somatic mutations in sunflowers
Some American fossil insects
Some American fossil insects
The northwestern Cytherea
The northwestern Cytherea
Animals and plants described a
Animals and plants described as new from Colorado in 1912, 1913, and 1914
Some plants from the vicinity
Some plants from the vicinity of the Arapahoe glacier
The Helianthoid genus Tonalant
The Helianthoid genus Tonalanthus
The marking factor in sunflowe
The marking factor in sunflowers
Sunflower problems
Sunflower problems
Suppression and loss of charac
Suppression and loss of characters in sunflowers
Two new plants from the tertia
Two new plants from the tertiary rocks of the west
A wine-red sunflower
A wine-red sunflower
Some plants from New Mexico
Some plants from New Mexico
Animals and plants described a
Animals and plants described as new from Colorado in 1911
Characters of Helianthus
Characters of Helianthus
The red sunflower
The red sunflower
Tragopogon in Colorado
Tragopogon in Colorado
A new cocklebur from New Mexic
A new cocklebur from New Mexico
Fossil diptera from Florissant
Fossil diptera from Florissant, Colo
Fossil dragonflies from Floris
Fossil dragonflies from Florissant, Colorado
The genus Crataegus in Colorad
The genus Crataegus in Colorado
Facts discovered by children
Facts discovered by children
Notes on Tetraneuris linearifo
Notes on Tetraneuris linearifolia
The roses of Pecos, New Mexico
The roses of Pecos, New Mexico
Three new plants from New Mexi
Three new plants from New Mexico
Some New Mexico plants
Some New Mexico plants
Notes on Crypticerya Townsendi
Notes on Crypticerya Townsendi Ckll
Notes on the food of birds
Notes on some southwestern pla
Notes on some southwestern plants
Directions for collecting and
Directions for collecting and preserving scale insects (Coccidae)
The San Jose scale and its nearest allies
The flora of Bedford Park, Chi
The flora of Bedford Park, Chiswick
A new coccid of the genus Erio
A new coccid of the genus Eriococcus