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Othonna capensis Othonna capensis
Othonna capensis- General information and classification. ...
Palafoxia feayi Palafoxia feayi
Palafoxia feayi- Taxonomy, description and photographs of Feay's palafox. ...
Petasites vulgaris Petasites vulgaris
Petasites vulgaris- Description and medicinal uses. ...
Petasites hybridus Petasites hybridus
Petasites hybridus- Several photographs of Butterbur and some identifying features. ...
Pityopsis graminifolia Pityopsis graminifolia
Pityopsis graminifolia- Taxonomy and photographs of narrowleaf silkgrass. ...
Polycalymma stuartii Polycalymma stuartii
Polycalymma stuartii- Illustration and information on the Poached Egg Daisy, and a map of Australia showing its range. ...
Polymnia uvedalia Polymnia uvedalia
Polymnia uvedalia- short description and medicinal uses ...
Black-eyed Susan Black-eyed Susan
Black-eyed Susan- Photographic study by Richard Haynes of this plant, Rudbeckia missouriensis, showing the stem and petals in all their intricate detail. ...
Saussurea alpina Saussurea alpina
Saussurea alpina- Photograph and description of Alpine Saw-wort, sometimes called Purple Hawkweed. ...
Schkuhria pinnata: Canchalagua Schkuhria pinnata: Canchalagua
Schkuhria pinnata: Canchalagua- Description and several photographs of this annual herb, with information on its herbal properties, uses in tribal and herbal medicine, the chemicals it contains, its biological activities ...
Scolymus cardunculus Scolymus cardunculus
Scolymus cardunculus- short description and medicinal uses ...
Senecio hydrophylloides Senecio hydrophylloides
Senecio hydrophylloides- image ...
Senecio kleinia Senecio kleinia
Senecio kleinia- image ...
Senecio pendulus Senecio pendulus
Senecio pendulus- image ...
Senecio rowleyanus Senecio rowleyanus
Senecio rowleyanus- image ...
Senecio stapeliaeformis Senecio stapeliaeformis
Senecio stapeliaeformis- image ...
Senecio jacobaea Senecio jacobaea
Senecio jacobaea- Two photographs of Ragwort and some identifying features. ...
Senecio aquaticus Senecio aquaticus
Senecio aquaticus- Several photographs of Marsh Ragwort and some identifying features. ...
Senecio sylvaticus Senecio sylvaticus
Senecio sylvaticus- Several photographs of Heath Groundsel and its description. ...
Senecio vulgaris Senecio vulgaris
Senecio vulgaris- Two photographs of Groundsel and some identifying features of the plant. ...
Senecio ficoides Senecio ficoides
Senecio ficoides- General information and classification. ...
Senecio radicans Senecio radicans
Senecio radicans- General information and classification. ...
Senecio stapeliformis v. minor Senecio stapeliformis v. minor
Senecio stapeliformis v. minor- General information and classification. ...
Tansy Ragwort: Senecio jacobaea Tansy Ragwort: Senecio jacobaea
Tansy Ragwort: Senecio jacobaea- History and impact, biology, morphology and identification photos of this biennial weed from Europe, considered a noxious weed in Washington State. ...
Tecomaria capensis Tecomaria capensis
Tecomaria capensis- image ...
Smallanthus sonchifolius: Yacon Smallanthus sonchifolius: Yacon
Smallanthus sonchifolius: Yacon- Description and several photographs of this tuberous rooted plant, with information on its herbal properties, uses in traditional medicine, the chemicals it contains, its biological activ ...
Solidago missouriensis Solidago missouriensis
Solidago missouriensis- image ...
Solidago virgaurea Solidago virgaurea
Solidago virgaurea- Two photographs of Golden Rod and some identifying features. ...
Sonchus sp. Sonchus sp.
Sonchus sp.- image ...
Sonchus sp. Sonchus sp.
Sonchus sp.- image ...
Sonchus asper Sonchus asper
Sonchus asper- Several photographs of the Prickly Sow-thistle and some identifying features. ...
Sonchus arvensis Sonchus arvensis
Sonchus arvensis- Photographs of the Perennial Sow-thistle and its description. ...
Sonchus oleraceus Sonchus oleraceus
Sonchus oleraceus- Several photographs of the Smooth Sow-thistle and some identifying features. ...
Stevia rebaudiana: Stevia Stevia rebaudiana: Stevia
Stevia rebaudiana: Stevia- Description and several photographs of this dwarf shrub, with information on its herbal properties, uses in traditional medicine, the chemicals it contains, its biological activities, clinical ...
Symphyotrichum Symphyotrichum
Symphyotrichum- Images and descriptions of five species of wild asters from the southeastern USA. ...
Symphyotrichum campestre var. campestre Symphyotrichum campestre var. campestre
Symphyotrichum campestre var. campestre- Western Meadow Aster. ...
Symphyotrichum boreale Symphyotrichum boreale
Symphyotrichum boreale- Northern Bog Aster. ...
Plant Cultures: Marigold Plant Cultures: Marigold
Plant Cultures: Marigold- A profile of Tagetes erecta and Tagetes patula, their history, religious significance, production, trade, medicinal, food and other uses. ...
Tanacetum vulgare Tanacetum vulgare
Tanacetum vulgare- image ...
Tanacetum vulgare Tanacetum vulgare
Tanacetum vulgare- Several photographs of Tansy and some identifying features. ...
Tanacetum parthenium Tanacetum parthenium
Tanacetum parthenium- Two photographs of Feverfew and a description of the plant. ...
Tetramolopium filiforme Tetramolopium filiforme
Tetramolopium filiforme- image ...
Goatsbeard Clock Goatsbeard Clock
Goatsbeard Clock- Photographic study by Paul James of plants in the genus Tragopogon, and how they disperse their seed. ...
Tridax procumbens Tridax procumbens
Tridax procumbens- image ...
Tripleurospermum inodorum Tripleurospermum inodorum
Tripleurospermum inodorum- Photograph, description, distribution, ecology and economic significance of scentless mayweed. ...
Trixis californica Trixis californica
Trixis californica- image ...
Tussilago farfara Tussilago farfara
Tussilago farfara- Several photographs of Coltsfoot, its flowers and seedheads, with a description. ...
Tussilago farfara Tussilago farfara
Tussilago farfara- Photograph, description, distribution, ecology and economic significance of coltsfoot. ...
Verbesina crocata Verbesina crocata
Verbesina crocata- image ...
Vernonia aronifolia Vernonia aronifolia
Vernonia aronifolia- Description and photographs of the foliage and flowers of this bush, endemic to Cuba. ...

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