Birch trees are beautiful. Our area hosts 4 different types of birch, all easily identified by their bark that peels: whitish bark that separates into layers. Like willows they easily create
hybrids with other birch species and, like willows, they attract Mourning Cloak butterflies and a host of other insects. The Gardens include (by Kiosk 4) the Western Paper Birch, the Water Birch, the River
Birch, and the Bog Birch. Pilchuck Learning Center’s sponsored Western Washington State University SAM Project extinction possibility is slight, that is <.0001 and found in other areas of North America.
http://naeb.brit.org/uses/search/?string=Betula
https://www.plc215.org/wp-content/uploads/2019/02/Kiosk-04.pdf
https://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Betula%20pumila
https://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Betula%20papyrifera
https://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Betula%20occidentalis
https://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Betula%20glandulosa
Gardens Prose & Primary Level Question
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