Books by Percy Leroy Ricker
A genealogy of the Ricker fami
A genealogy of the Ricker family
New Asiatic Species of the Leg
New Asiatic Species of the Legume Genus Campylotropis
The nursery and seed trade catalog collection of the United States Department of Agriculture
A report on rhododendron and l
A report on rhododendron and laurel in the North Carolina pipe industry
Growing wild flowers from seed
Growing wild flowers from seed
Directions for preserving leaves for decorative purposes
The protection of our native p
The protection of our native plants
New names in Amygdalus
New names in Amygdalus
Two types of variable pubescen
Two types of variable pubescence on plants
A list of known Philippine fun
A list of known Philippine fungi
A list of the vascular plants
A list of the vascular plants of the District of Columbia and vicinity
A preliminary list of Maine fungi
Notes on some west American fu
Notes on some west American fungi