| Eye-catching black willow, Salix gracilistyla 'Melanostachys', bears dark catkins with red anthers along vivid mahogany branches. |
| Symbol Description Habitat type Fore different types of forests, Woodland sites with nests mainly with domination of placed in forest or bushes arborescent willow Salix sp. |
| Such are, for example, the catkinlike inflorescences of Betulaceae, which are so similar to aments of Salix. |
| Another native that spreads rather too rapidly by wind distributed seeds is the Goat Willow, Salix caprea. |
| In the deciduous forest of North America, isofacial stomatal distribution is found only in Populus and Salix, which are also extremely heliophile. |
| This seems to be particularly important for Salix species, since this genus is known for its low content of tannic acid, which protects other woody plants against infection. |
