The purpose of the following presentation is to call attention briefly to the value of the twig and bud characters used commonly in winter keys, as supplementary or secondary characters in the keys for the identification of trees in summer condition. For the past few years the writer has been studying the winter characters of our woody plants. Many of the characters that are used to distinguish between difficult genera or species in winter were found to be present the succeeding summer and became a definite help in identification
Timing of bud burst and leaf unfolding is widely used indicator of climate change and it is also a v...
Background and aims. Advances in digital imaging have made possible the creation of completely visua...
For centuries people have used trees, shrubs, and woody vines for food, clothing, ritual, constructi...
The purpose of the following presentation is to call attention briefly to the value of the twig and ...
Keys are provided for the identification in winter condition of Minnesota\u27s native deciduous tree...
Children will learn several features to observe in order to identify trees in winter. Children wil...
This circular is intended to help interested persons to become better acquainted with some native an...
Leaf characters, unlike stem characters, are as a rule subject to such variations that they form an ...
Xylology, or wood anatomy, is definitely an important ancillary science: various disciplines rely on...
Abstract Accurate species identification is essential for ecological monitoring and biodiversity con...
The keys to the trees, shrubs and vines have been revised in an attempt to make them more usable for...
In the absence of diagnostic characters for the circumscription of Quercus robur L. (Q. pedunculataE...
Thesis (B.S.)--University of Illinois, 1893.Typescript.Plates II and III on recto and verso of a sin...
Different trees have different sorts of hark, the variation is of two main kinds. The hark of an ind...
A variety of wood-anatomical variables in a ring-porous oak (bur oak, Quercus macrocarpa Michx.) gro...
Timing of bud burst and leaf unfolding is widely used indicator of climate change and it is also a v...
Background and aims. Advances in digital imaging have made possible the creation of completely visua...
For centuries people have used trees, shrubs, and woody vines for food, clothing, ritual, constructi...
The purpose of the following presentation is to call attention briefly to the value of the twig and ...
Keys are provided for the identification in winter condition of Minnesota\u27s native deciduous tree...
Children will learn several features to observe in order to identify trees in winter. Children wil...
This circular is intended to help interested persons to become better acquainted with some native an...
Leaf characters, unlike stem characters, are as a rule subject to such variations that they form an ...
Xylology, or wood anatomy, is definitely an important ancillary science: various disciplines rely on...
Abstract Accurate species identification is essential for ecological monitoring and biodiversity con...
The keys to the trees, shrubs and vines have been revised in an attempt to make them more usable for...
In the absence of diagnostic characters for the circumscription of Quercus robur L. (Q. pedunculataE...
Thesis (B.S.)--University of Illinois, 1893.Typescript.Plates II and III on recto and verso of a sin...
Different trees have different sorts of hark, the variation is of two main kinds. The hark of an ind...
A variety of wood-anatomical variables in a ring-porous oak (bur oak, Quercus macrocarpa Michx.) gro...
Timing of bud burst and leaf unfolding is widely used indicator of climate change and it is also a v...
Background and aims. Advances in digital imaging have made possible the creation of completely visua...
For centuries people have used trees, shrubs, and woody vines for food, clothing, ritual, constructi...