Arceuthobium in the United States

Arceuthobium in the United States by Lake S. Gill Download PDF EPUB FB2

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Arceuthobium has long been considered a taxonomically difficult group, mainly owing to losses and reductions in morphologic features used for classification. Gill () was the first to propose a comprehensive treatment of the genus in the United States.

The genus Arceuthobium is a member of the plant family Viscaceae and is a clearly defined group of small (generally less than 20 cm high), variously coloured flowering plants that are aerial parasites on conifers of the families Pinaceae and Cupressaceae.

Arceuthobium has been previously included in the subfamily Viscoideae of the family Loranthaceae, however, the subfamilies Loranthoideae and Viscoideae are now generally considered to have family status (Loranthaceae and Viscaceae). oxycedri is a member of.

Dwarf mistletoes (Arceuthobium spp.) are one of the most serious pests within the coniferous forests of the northern Rocky Mountains. Adverse growth impact (mortality and growth reduction) due to these pests was recently estimated at billion board feet annually within these forests.

Directly and indirectly, fire has a significant. Notes on Taxonomy and Nomenclature Top of page A detailed discussion of the taxonomy and taxonomic history of the genus Arceuthobium is provided by Hawksworth and Wiens ().The genus Arceuthobium is a member of the plant family Viscaceae and is a clearly defined group of small (generally less than 20 cm high), variously coloured flowering plants that are aerial parasites on.

Arceuthobium douglasii is a species of dwarf mistletoe known as Douglas fir dwarf mistletoe. It is native to western North America from British Columbia to Texas to California, where it lives in forest and woodland as a parasite. It is found mostly on Douglas fir (Pseudotsuga menziesii) trees, but occasionally on fir (Abies spp.), as : Santalaceae.

Facts About. Dwarf mistletoe is a parasitic plant that grows on the branches of pine, spruce, and tamarack. It derives its nutrients from the plant, and also causes unusual growths of twigs on the host, called witches brooms, within which you can see the yellow-red shoots of Missing: United States.

Distribution details in United States of America (Maine) of Arceuthobium pusillum (AREPU) Distribution details in United States of America (Maine) is not responsible for any use that may be made of the information from this project subsequently included in the EPPO Global Database.

Arceuthobium campylopodum is here considered a wide ranging and polymorphic species that parasitizes a number of hosts in Pinaceae throughout western North America and northern Mexico. Earlier taxonomic concepts, such as those of L. Gill () and J.

Kuijt (), recognized several forms of A. campylopodum that usually corresponded with. Arceuthobium pusillum is a perennial, obligate parasitic plant in the sandalwood family.

Its common names include Dwarf mistletoe or Eastern dwarf mistletoe. It is one of the most widespread dwarf mistletoes within its range which covers the eastern United States and Canada, from Saskatchewan to Nova Scotia and New : Santalaceae.

Gill, L. Arceuthobium in the United States. Trans. Conn. Acad. – Google ScholarCited by: 4. (Engelmann ). In the first monograph of Arceuthobium in the United States, Gill () classified A.

divaricatum as a host form of A. campylopodum that exclusively parasitized pinyons and hence, under this system, any dwarf mistletoe found on a pinyon was classified as A. campylopodum (Engelm.) forma divaricatum (Engelm.) Gill. The host-formAuthor: Robert L Mathiasen, Shawn C Kenaley, Carolyn M Daugherty.

Arceuthobium vaginatum, called the "sheathed dwarf mistletoe" or "southwestern dwarf mistletoe" is a parasitic plant found in the southwestern United States and northwestern and central Mexico.

It generally is found on pine (Pinus spp) trees. ReferencesFamily: Santalaceae. This research was supported, in part, by a cooperative aid agreement between the University of Colorado and the Rocky Mountain Forest and Range Experiment Station, with headquarters at Fort Collins, Colorado, in cooperation with Colorado State by: The Antebellum Period fits in well with the series, which provides a fascinating look into the pop culture side of history.

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An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: Provided by Kentucky Native Plant Society.

Scanned by Omnitek Inc. Usage Requirements. Search the world's most comprehensive index of full-text books. My library. Arceuthobium americanum Lodgepole pine PP,WBP,LP,ES 12 Yellow or Green V Arceuthobium campylopodum Ponderosa pine LPP 3 5 Brown or Green F Arceuthobium cyanocarpum Limber pine WBP WWP 1 2 Green F Arceuthobium douglasii Douglas-fir GF,SAF,ES 1 3 Green F Arceuthobium laricis Western larch SAF, LPP ES,WBP,PP Dark purple F.

Distribution details in United States of America (Colorado) of Arceuthobium americanum (AREAM) Distribution details in United States of America (Colorado) is not responsible for any use that may be made of the information from this project subsequently included in the EPPO Global Database.Arceuthobium microcarpum, called the "western spruce dwarf mistletoe," is a parasitic plant known only from Arizona and New is found mostly on spruce trees (Picea spp.) but also occasionally on Rocky Mountain bristlecone pine (Pinus aristata Engelm.).The specific epithet "microcarpum" means "small fruited," in reference to the berries, which are only mm : Santalaceae.Journal/Book Name, Vol.

No.: Page(s): Publisher: and was later mistakenly turned into 'Arceuthobium vaginatum,' a name that was already present in ITIS (with its own TSN, ).

legal requirements with respect to species are contained in provisions of treaties to which the United States is a party, wildlife statutes, regulations, and.