Biology

Toxicity Toxicity- P. aquilinum page from "Poisonous Plants of North Carolina" by Dr. Alice B. Russell. Pteridium aquilinum Pteridium aquilinum- Photograph and detailed description of bracken. Pteridium aquilinum Pteridium aquilinum- Species information from the U.S. Department of Agriculture/Forest Service's Fire Effects Information System. Pteridium aquilinum (Bracken) Pteridium aquilinum (Bracken)- Images and 10km distribution map for this species. From Flora of Northern Ireland. Bracken Fern Carcinogenicity Bracken Fern Carcinogenicity- Summary of data reported and evaluation of bracken fern and some of its constituents. Southwest Colorado Wildflowers Southwest Colorado Wildflowers- Image and description of Pteridium aquilinum. Pteridium aquilinum Pteridium aquilinum- Images and description from Montara mountain, California. Atlas of Tennessee Vascular Plants Atlas of Tennessee Vascular Plants- Distribution map for Dennstaedtia punctilobula. Dennstaedtia punctilobula Dennstaedtia punctilobula- Image, description, and culture information. Athyrium filix-femina Athyrium filix-femina- Several photographs of Lady Fern and some identifying features of the plant. Adiantum tenerum Sw. Adiantum tenerum Sw.- Taxonomic data and mapped distribution from Atlas of Florida Vascular Plants. Maidenhair Fern (Adiantum pedatum) Maidenhair Fern (Adiantum pedatum)- Some information and several photographs of this species including one showing the spore-bearing structures. Northern Maidenhair Fern: Adiantum pedatum Northern Maidenhair Fern: Adiantum pedatum- Student project with classification, habitat, adaptation, nutrition, reproduction and interactions with other species. Adiantum pedatum Adiantum pedatum- Distribution map from Atlas of Tennessee Vascular Plants. Adiantum pedatum Adiantum pedatum- Photograph of Northern maidenhair fern near Brandywine, Caroline Co., Virginia, United States. Adiantum hispidulum Adiantum hispidulum- Illustrated description from Ferns and Fern Allies in the Canberra Region. Adiantum capillus-veneris L. Adiantum capillus-veneris L.- Taxonomic data, photographic image and mapped distribution from Atlas of Florida Vascular Plants. Adiantum capillus-veneris L. Adiantum capillus-veneris L.- Painting with anatomical drawings from Thomé's Flora von Deutschland Österreich und der Schweiz, 1885. Adiantum capillus-veneris Adiantum capillus-veneris- Distribution map from Atlas of Tennessee Vascular Plants. Avenca - Adiantum capillus-veneris Avenca - Adiantum capillus-veneris- Database entry contains lists of common names and phytochemicals, and details of ethnobotanical uses. Adiantum aethiopicum Adiantum aethiopicum- Illustrated description from Ferns and Fern Allies in the Canberra Region, Australia. Ulmus americana - American Elm Ulmus americana - American Elm- Tree identification fact sheet with photos of the leaf, flower, fruit, twig, bark and form. Ulmus americana Ulmus americana- Covers taxonomy, botanical characteristics, geographic range, uses and values, ecology including fire effects, and management concerns related to Dutch elm diseas… Ulmus americana - American Elm Ulmus americana - American Elm- Detailed information from the U.S. Forest Service. Saving the American Elm Saving the American Elm- Information about efforts to restore Ulmus americana to the landscape by developing and planting new disease resistant varieties. Includes photos and link… Plant Profile for Ailanthus altissima Plant Profile for Ailanthus altissima- Images, taxonomy, US range maps, and links. Ailanthus altissima (Tree-of-Heaven) Ailanthus altissima (Tree-of-Heaven)- Stewardship document provides history of the plants' migration from China to the Americas, associated ecological problems, management tactics… Ailanthus altissima: Tre of Heaven Ailanthus altissima: Tre of Heaven- Tree identification fact sheet for Ailanthus altissima including photos of the leaf, flower, fruit, twig, bark and form. Ailanthus altissima Ailanthus altissima- Image of two mature trees. Ailanthus altissima Ailanthus altissima- Image of branches and flower stems. Ailanthus altissima Ailanthus altissima- Close-up image of flowers. Ailanthus altissima Ailanthus altissima- Close-up image of leaves. Tree-of-Heaven (Ailanthus altissima) Tree-of-Heaven (Ailanthus altissima)- Description of the plant, its distribution and the problems it causes, plus detailed information on management techniques. From the Plant Con… Rosa woodsii ultramontana Rosa woodsii ultramontana- Photographs. Virginia Rose Virginia Rose- Photograph and information on Rosa virginiana. Rosa villosa Rosa villosa- Several photographs of hips. Rosa setigera Rosa setigera- Distribution in Tennessee. Rosa rugosa Rosa rugosa- Description and photos. Rosa rugosa Rosa rugosa- Photographs of this rose and its large hip. Rosa rugosa Rosa rugosa- Photographs of a flower and fruit of the Japanese Rose and a description of the plant. Rosa palustris Rosa palustris- Photographs, Wisconsin range map, taxonomic synonyms and links to additional resources for this species, also known as the swamp rose. From the Wisconsin State Her… Rosa palustris Rosa palustris- Distribution in Tennessee. Rosa multiflora: Multiflora Rose Rosa multiflora: Multiflora Rose- Fact sheet with photos of the leaf, flower, fruit, twig, bark and form. Rosa multiflora Rosa multiflora- Research project by Blaise Geyer at the University of Wisconsin-LaCrosse. Rosa multiflora Rosa multiflora- Distribution in Tennessee. Rosa hugonis Rosa hugonis- Photograph and information. Rosa gymnocarpa Rosa gymnocarpa- Description and photo. Rosa gymnocarpa Rosa gymnocarpa- Photographs of flowers and hips. Rosa gymnocarpa Rosa gymnocarpa- Photo (closeup of flower). Lancashire's Red Rose (Rosa gallica officinalis) Lancashire's Red Rose (Rosa gallica officinalis)- History and photo of the symbol of the House of Lancaster.