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White mold affects a wide range of hosts and causes sclerotinia stem rot. It is known to infect 408 plant species. As a nonspecific plant pathogen, [3] diverse host range and ability to infect plants at any stage of growth makes white mold a very serious disease. The fungus can survive on infected tissues, in the soil, and on living plants.
Spiranthes parksii, the Navasota ladies' tresses, [3] is a species of orchid that is endemic to Texas, United States.The flower was first discovered in 1945 and was first described by Donovan Stewart Correll in his 1950 book, Native Orchids of North America North of Mexico.
Woolly aphids generally are not much cause for alarm, although they can cause rather unsightly damage to plants, which is particularly a problem for growers of ornamental plants. Symptoms caused by their feeding on a plant include twisted and curled leaves, yellowed foliage, poor plant growth, low plant vigor, and branch dieback. [citation needed]
The orchid family is one of the largest flowering plant families in the world. Orchids can be found on every continent except Antarctica. Beautiful and fascinating, Orchids can grow almost ...
Cephalanthera austiniae is a species of orchid known as the phantom orchid and snow orchid [2] because the entire plant is white except for a few yellow markings on the flowers. The orchid is native to the western United States ( California , Oregon , Washington and Idaho ), and to British Columbia , Canada.
Dactylorhiza is Ancient Greek for finger root, referring to the shape of the plant's roots. The subspecies name fuchsii honours the 16th-century German botanist Leonhart Fuchs. The English name 'common spotted' refers to the species' abundance and the spots on its leaves. The French and German common names also honour Leonhart Fuchs.
Platanthera integrilabia, commonly called white fringeless orchid, is a species of flowering plant in the orchid family (Orchidaceae). It is native to the Southeastern United States . [ 4 ] Its natural habitat is in boggy acidic seeps and flats, usually in partial open sunlight.
The plant can grow up to three feet (91 cm) tall. The leaves are long and thin. [10] The inflorescence is large and showy and may have up to 40 white flowers. It is distinguished from Platanthera praeclara, the western prairie fringed orchid, by its smaller flowers (less than one inch (2.5 cm) long), more oval petals, and a shorter nectar spur ...