Biology

Betula lenta (Sweet Birch) Betula lenta (Sweet Birch)- Native range, associated forest cover, reproduction, and growth. Includes details on flowering, fruiting, and seed production. Betula lenta (Black Birch) Betula lenta (Black Birch)- Describes characteristics of leaf and fruit, habitat, ethnobotany, and wildlife uses. Provides images. Betula alleghaniensis (Yellow Birch) Betula alleghaniensis (Yellow Birch)- Illustration, plant synonyms, distribution map, scientific classification, wetland indicator status. Includes endangered plant information. Betula alleghaniensis: Yellow Birch Betula alleghaniensis: Yellow Birch- Describes physical features and provides photos of leaf, bark, twig, flower, fruit, and form. Betula alleghaniensis Betula alleghaniensis- Information on distribution and occurrence, its value and use, characteristics, and fire ecology. Betula alleghaniensis (Yellow Birch) Betula alleghaniensis (Yellow Birch)- Detailed facts on habitat and life history, including native range, supporting soils, associated forest cover, reproduction, and growth. Betula alleghaniensis (Yellow Birch) Betula alleghaniensis (Yellow Birch)- Distinguishing characteristics and habitat of this species. Provides an image of branch with catkins. Alnus viridis ssp. crispa (Mountain Alder) Alnus viridis ssp. crispa (Mountain Alder)- Image, plant synonyms, distribution map, and scientific classification. Includes conservation status. Alnus viridis ssp. sinuata: Sikka Alder Alnus viridis ssp. sinuata: Sikka Alder- Tree identification fact sheet for Alnus viridis ssp sinuata containing numerous photos of the leaf, flower, fruit, twig, bark and form. Alnus serrulata (Hazel Alder) Alnus serrulata (Hazel Alder)- Brief profile, distribution map, photographs of foliage. Alnus serrulata: Hazel Alder Alnus serrulata: Hazel Alder- Tree identification fact sheet for Alnus serrulata containing numerous photos of the leaf, flower, fruit, twig, bark and form. Alnus serrulata (Smooth Alder) Alnus serrulata (Smooth Alder)- Photos, physical description, and habitat information. Alnus serrulata Alnus serrulata- Description and images. Alnus serrulata Alnus serrulata- Short description and medicinal uses. Alnus incana ssp. rugosa (Speckled Alder) Alnus incana ssp. rugosa (Speckled Alder)- Images, plant synonyms, scientific classification, and wetland indicator status. Includes conservation status. Alnus incana ssp. rugosa Alnus incana ssp. rugosa- Description and range of the speckled alder, with photographs of twig, bark, leaves, catkins, cones and form. Alnus rugosa (Speckled Alder) Alnus rugosa (Speckled Alder)- Describes habitat and characteristics of fruit and leaf. Provides images. Alnus rugosa (Speckled Alder) Alnus rugosa (Speckled Alder)- Provides facts on physical features and habitat. Includes image. Alnus rubra (Red Alder) Alnus rubra (Red Alder)- Describes physical features and provides photos of entire tree, leaf, fruit, bark, twig, and flower. Alnus rubra Alnus rubra- Details of distribution and occurrence, value and use, plant characteristics, and fire ecology. Alnus rubra (Red Alder) Alnus rubra (Red Alder)- Habitat, native range, climate, associated forest cover, and detailed facts on reproduction and growth. Discusses human uses and genetics. Alnus rhombifolia (White Alder) Alnus rhombifolia (White Alder)- Describes physical characteristics and provides photos of mature tree, leaf, fruit, flower, twig, and bark. Alnus rhombifolia Alnus rhombifolia- Information on distribution and occurrence, value and use, characteristics, and fire ecology. Alnus rhombifolia (White Alder) Alnus rhombifolia (White Alder)- Includes images and brief facts. Alnus incana ssp. tenuifolia (Thinleaf Alder) Alnus incana ssp. tenuifolia (Thinleaf Alder)- Plant synonyms, distribution map, wetland indicator status, and scientific classification. Includes photo of leaf. Alnus glutinosa (European Alder) Alnus glutinosa (European Alder)- Images, plant synonyms, and scientific classification. Includes invasive plant and introduced plant information for this species. Alnus glutinosa (European Black Alder) Alnus glutinosa (European Black Alder)- Physical characteristics of leaf, flower, fruit, twig, and bark. Provides images. Alder: Alnus glutinosa Alder: Alnus glutinosa- Photographs of this tree, its leaves, catkins and cones. Alnus glutinosa (European Alder) Alnus glutinosa (European Alder)- Detailed facts on native range, supporting soils, climate, associated cover, reproduction, and growth. Discusses wildlife and human uses. Alnus glutinosa (Black Alder) Alnus glutinosa (Black Alder)- Facts on physical characteristics, habitat, range, and ethnobotany. Includes distribution map. Alnus glutinosa Alnus glutinosa- Short description and medicinal uses. Taraxacum officinale Taraxacum officinale- Common Dandelion. Dandelions: Taraxacum officinale Dandelions: Taraxacum officinale- Research project by Lindsie Miller on this species, including its classification, habitat, reproduction, adaptations, nutrition and interactions … A Macroscopic and Microscopic Tour around the Dandelion A Macroscopic and Microscopic Tour around the Dandelion- Photographic study be Dave Walker of this plant including various details much magnified. Taraxacum officinale Taraxacum officinale- Image of dandelion plant. Taraxacum officinale Taraxacum officinale- Two photographs of the Common Dandelion and its description. Taraxacum officinale Taraxacum officinale- Image of dandelion seed head. Senecio petasites Senecio petasites- General information and classification. Senecio petasites Senecio petasites- Image. Senecio mikanioides Senecio mikanioides- Image. Senecio confusus Senecio confusus- General information and classification. Senecio confusus Senecio confusus- Image. Yellow Starthistle Management Guide Yellow Starthistle Management Guide- Provides detailed information about this weed, including origins, impacts, biology, management options, associated legislation and references.… Centaurea solstitialis (Yellow Starthistle) Centaurea solstitialis (Yellow Starthistle)- Provides photographs and information on this plant and its identification. Progress in Yellow Starthistle Biological Control Progress in Yellow Starthistle Biological Control- USDA site reports positive results on field tests using Eustenopus villosus weevils to control starthistle in Idaho. Yellow Starthistle - UC Pest Management Guidelines Yellow Starthistle - UC Pest Management Guidelines- University of California guidelines for control of Yellow Starthistle, including identification and biology. Asclepias tuberosa (Butterfly Milkweed) Asclepias tuberosa (Butterfly Milkweed)- Provides information on physical features, flowering period, and habitat. With photos. Asclepias tuberosa interior (Butterfly Milkweed) Asclepias tuberosa interior (Butterfly Milkweed)- Describes physical features, range, habitat, and faunal associations. Provides a photo. Asclepias tuberosa (Butterfly Milkweed) Asclepias tuberosa (Butterfly Milkweed)- Description and image. Asclepias incarnata Asclepias incarnata- Distribution, management considerations, botanical and ecological characteristics, and fire ecology.