1-5 of 5 Books
A revision of certain American species of Hackelia (Boraginaceae)
A revision of certain American species of Hackelia (Boraginaceae)
By Johnnie Lee Gentry
Draft recovery plan for Hackelia venusta (Showy stickseed)
Draft recovery plan for Hackelia venusta (Showy stickseed)
By U.S. Fish and Wildlife Service. Region 1.
Determination of the effects of anti-icer compounds upon the rare plant Hackelia venusta
Determination of the effects of anti-icer compounds upon the rare plant Hackelia venusta
By Linda Chalker-Scott
Recovery plan for Hackelia venusta (Showy stickseed)
Recovery plan for Hackelia venusta (Showy stickseed)
By U.S. Fish and Wildlife Service. Region 1.
A taxonomic study in the genus Hackelia in western North America
A taxonomic study in the genus Hackelia in western North America
By Robert L. Carr