Pterospora andromedea - Nutt.
Giant Pinedrops
Other English Common Names: Pinedrops, Woodland Pinedrops
Other Common Names: woodland pinedrops
Taxonomic Status: Accepted
Related ITIS Name(s): Pterospora andromedea Nutt. (TSN 23787)
French Common Names: ptérospore à fleurs d?andromède
Unique Identifier: ELEMENT_GLOBAL.2.130570
Element Code: PDMON07010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Other flowering plants
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Ericales Monotropaceae Pterospora
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Pterospora andromedea
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 15Aug2015
Global Status Last Changed: 29Aug1984
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Reasons: Widespread in the western mountains and Black Hills regions and also occuring disjunct in the Great Lakes region and further east. Pterospora andromedea is found in mixed and coniferous forests (Hickman 1993). It is fairly common in the western mountains and only becomes rare in the northern and eastern portions of its range and in Texas (Kartesz 1988, Douglas et al. 1999, Higman and Penskar 1999).
Nation: United States
National Status: NNR
Nation: Canada
National Status: N4 (20May2014)

U.S. & Canada State/Province Status
United States Arizona (SNR), California (SNR), Colorado (SNR), Idaho (SNR), Massachusetts (SNR), Michigan (S2), Montana (S4S5), Nebraska (S2), Nevada (SNR), New Hampshire (S1), New Mexico (SNR), New York (S1), Oregon (SNR), Pennsylvania (SU), South Dakota (SNR), Texas (S1), Utah (SNR), Vermont (S1), Washington (SNR), Wisconsin (S1), Wyoming (S3)
Canada Alberta (S3), British Columbia (S3S4), New Brunswick (S1), Ontario (S2), Prince Edward Island (SH), Quebec (S2), Saskatchewan (S1)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Western North America from British Columbia to Saskatchewan south to California and west Texas and disjunct in the east from from Ontario to Prince Edward Island south to Wisconsin and New Hampshire (historical) (Kartesz 1999). May also occur in Sonora.

Overall Threat Impact Comments: Disturbance to its mycorrhizal association is a threat (Higman and Penskar 1999).

Short-term Trend Comments: Many of the southern locations in Ontario are from old collections, suggesting that the populations are declining (Argus and White 1982).

Other NatureServe Conservation Status Information

Distribution
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Global Range: Western North America from British Columbia to Saskatchewan south to California and west Texas and disjunct in the east from from Ontario to Prince Edward Island south to Wisconsin and New Hampshire (historical) (Kartesz 1999). May also occur in Sonora.

U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AZ, CA, CO, ID, MA, MI, MT, NE, NH, NM, NV, NY, OR, PA, SD, TX, UT, VT, WA, WI, WY
Canada AB, BC, NB, ON, PE, QC, SK

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
MI Alcona (26001)*, Alpena (26007), Antrim (26009)*, Baraga (26013), Chippewa (26033), Delta (26041), Dickinson (26043), Emmet (26047), Grand Traverse (26055)*, Iosco (26069), Keweenaw (26083), Leelanau (26089), Mackinac (26097), Marquette (26103), Mecosta (26107), Ontonagon (26131), Ottawa (26139)*, Presque Isle (26141), Schoolcraft (26153)*, St. Clair (26147)*
NE Brown (31017), Cherry (31031), Dawes (31045), Scotts Bluff (31157), Sioux (31165)
NH Grafton (33009)
NY Albany (36001)*, Clinton (36019), Erie (36029), Essex (36031)*, Livingston (36051), Monroe (36055)*, Oswego (36075)*, Rensselaer (36083)*, Saratoga (36091)*, Tompkins (36109)*, Warren (36113)*, Washington (36115)*, Wyoming (36121)*
VT Chittenden (50007), Rutland (50021)
WI Door (55029), Ozaukee (55089)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
02 Hudson-Hoosic (02020003)+*, Mohawk (02020004)+*, Middle Hudson (02020006)+*
04 Ontonagon (04020102)+, Keweenaw Peninsula (04020103)+, Sturgeon (04020104)+, Dead-Kelsey (04020105)+, Door-Kewaunee (04030102)+, Menominee (04030108)+, Tacoosh-Whitefish (04030111)+, Fishdam-Sturgeon (04030112)+, Milwaukee (04040003)+, Lower Grand (04050006)+*, Pere Marquette-White (04060101)+*, Muskegon (04060102)+, Betsie-Platte (04060104)+, Boardman-Charlevoix (04060105)+, Brevoort-Millecoquins (04060107)+, St. Marys (04070001)+, Carp-Pine (04070002)+, Lone Lake-Ocqueoc (04070003)+, Au Sable (04070007)+, Birch-Willow (04080104)+*, St. Clair (04090001)+*, Cattaraugus (04120102)+, Upper Genesee (04130002)+, Irondequoit-Ninemile (04140101)+*, Salmon-Sandy (04140102)+*, Seneca (04140201)+*, Mettawee River (04150401)+, Winooski River (04150403)+, Lamoille River (04150405)+*, Lake Champlain (04150408)+
10 Hat (10120108)+, Upper White (10140201)+, Middle Niobrara (10150004)+, Middle North Platte-Scotts Bluff (10180009)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History Not yet assessed
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Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 16Sep2002
NatureServe Conservation Status Factors Author: Olivero, A.

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Argus, G.W., K.M. Pryer, D.J. White et C.J. Keddy 1982-1987. Atlas des plantes vasculaires rares de l'Ontario. 4 parties. Musée national des sciences naturelles, Ottawa.

  • Argus, G.W., and D.J. White, eds. 1982. Atlas of the rare vascular plants of Ontario. Part 1. National Museum Natural Science, Ottawa.

  • Bakshi, T.S. 1959. Ecology and morphology of Pterospora andromedea. Botanical Gazette 120 203-217

  • Bouchard, A., D. Barabé, M. Dumais et S. Hay 1983. Les plantes vasculaires rares du Québec. Syllogeus no 48. Musées nationaux du Canada. Ottawa. 75 p.

  • Correll, D.S., and M.C. Johnston. 1970. Manual of the vascular plants of Texas. Texas Research Foundation, Renner. 1881 pp.

  • Douglas, G.W., D. Meidinger, and J. Pojar, editors. 1999. Illustrated Flora of British Columbia. Volume 3. Dicotyledons (Diapensiaceae through Onagraceae). British Columbia Ministry of Environment, Lands and Parks, and British Columbia Ministry of Forests, Victoria.

  • Fernald, M.L. 1950. Gray's manual of botany. 8th edition. D. Van Nostrand, New York. 1632 pp.

  • Fleurbec / G. Lamoureux, S. Lamoureux, A. Tousignant, L. Cournoyer et R.F. Gauthier / 1994. Plantes susceptibles d'être désignées menacées ou vulnérables. Noms français de 229 espèces. Rapport non publié, préparé pour le gouvernement du Québec, ministère

  • Flora of North America Editorial Committee. 2009. Flora of North America North of Mexico. Vol. 8. Magnoliophyta: Paeoniaceae to Ericaceae. Oxford University Press, New York. xxiv + 585 pp.

  • Gillett, J.M. 1972. Two new records for pinedrops (Pterospora andromedea Nutt.) for Ontario and Québec. The canadian field naturalist 86 172-75.

  • Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York. 910 pp.

  • Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.

  • Higman, P.J. and M.R. Penskar. 1999. Special plant abstract for Pterospora andromeda (pine drops) Michigan Natural Features Inventory, Lansing.

  • Holmgren, Noel. 1998. The Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York.

  • Kartesz, J.T. 1988. A flora of Nevada. Ph.D. dissertation. Univ. of Nevada, Reno. 3 volumes. 1729 pp.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.

  • Legault, A. 1971. Le Pterospora andromedea Nutt. dans l'est Américain. Annales de l'ACFAS 38 33.

  • Mitchell, Richard S. and Gordon C. Tucker. 1997. Revised Checklist of New York State Plants. Contributions to a Flora of New York State. Checklist IV. Bulletin No. 490. New York State Museum. Albany, NY. 400 pp.

  • Reschke, Carol. 1990. Ecological communities of New York State. New York Natural Heritage Program, New York State Department of Environmental Conservation. Latham, NY. 96 pp. plus xi.

  • Rousseau, C. 1974. Géographie floristique du Québec-Labrador : Distribution des principales espèces vasculaires. Presses de l'Université Laval, Québec. 798 p.

  • Sabourin, A. 1999. La situation du ptérospore à fleurs d'andromède (Pterospora andromedea) au Québec. Gouvernement du Québec, ministère de l'Environnement, Direction de la conservation et du patrimoine écologique, Québec. 38 p.

  • Voss, E.G. 1996. Michigan Flora. Part III. Dicots (Pyrolaceae-Compositae). Cranbrook Institute of Science Bulletin 61 and Univ. Michigan Herbarium. Ann Arbor, Michigan. 622 pp.

  • Weldy, T. and D. Werier. 2010. New York flora atlas. [S.M. Landry, K.N. Campbell, and L.D. Mabe (original application development), Florida Center for Community Design and Research http://www.fccdr.usf.edu/. University of South Florida http://www.usf.edu/]. New York Flora Association http://wwws.nyflora.org/, Albany, New York

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