thrifty whiskers llc

taxonomy and genetics of oenothera | r. ruggles gates 1958 | primrose mutation studies

plasmolytische studien über die wand der vacuolen | de vries 1885 | hand-colored plates

de vries turgor pressure analysis | rare botanical offprint | landbouw provenance

de vries 1870 dissertation on plant temperature | rare doctoral thesis | early dutch botany

1931 cell elongation thesis by heyn | dedicated to mrs. de vries | utrecht botany

hugo de vries 1877 zellstreckung signed by elizabeth day palmer | rare plant physiology