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Checklist of Montana Vascular Plants

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Checklist of Montana Vascular Plants Checklist of Montana Vascular Plants June 3, 2013 By Scott Mincemoyer Montana Natural Heritage Program Helena, MT This checklist of Montana vascular plants is organized by Division, Class and Family. Species are listed alphabetically within this hierarchy. Synonyms, if any, are listed below each species and are slightly indented from the main species list. The list is composed of species which have been documented in the state and are vouchered by a specimen collection deposited at a recognized herbaria. Additionally, some species are included on the list based on their presence in the state being reported in published and unpublished botanical literature or through data submitted to MTNHP. The checklist is made possible by the contributions of numerous botanists, natural resource professionals and plant enthusiasts throughout Montana’s history. The taxonomy and nomenclature used in this checklist relies heavily on the Manual of Montana Vascular Plants by Peter Lesica, Grasses of Montana by Lavin and Seibert and published volumes of the Flora of North America (FNA 1993+) but does not strictly follow any one of them. The Checklist of Montana Vascular Plants can be viewed or downloaded from the Montana Natural Heritage Program’s website at: http://mtnhp.org/plants/default.asp This publication will be updated periodically. Please send comments and suggested revisions to the author at [email protected]. Number of Taxa Recognize 10 Largest Families in Flora 10 Largest Genera in Flora Families: 134 Asteraceae: 379 species Carex: 130 species Genera: 730 Poaceae: 248 Astragalus: 49 Species: 2571 Cyperaceae: 175 Erigeron: 37 Infraspecific Taxa: 305 Brassicaceae: 145 Salix: 34 Hybrid Taxa: 16 Fabaceae: 132 Juncus: 31 Unique Taxa: 2892 Rosaceae: 100 Penstemon: 31 Native: 2314 Caryophyllaceae: 71 Senecio: 29 Exotic: 435 Plantaginaceae: 69 Potentilla: 28 Ranunculaceae: 69 Ranunculus: 28 Amaranthaceae: 57 Polygonum: 24 *The number of Native and Exotic Taxa may not equal the number of Unique Taxa due to the uncertain origin of some taxa and due to some taxa, which are only reported for Montana, being categorized as undetermined. Additional Data Columns Global and State Status Ranks as assigned by NatureServe and the Montana Natural Heritage Program are included for each species. Origin refers to the status of the species in Montana. For species in which there is uncertainty as to its origin in the state, a value of Unknown/Undetermined is given. State Status: This column shows the status of each species in the state, if any. Status designations include Species of Concern, Potential Species of Concern, Status Under Review and Reported taxa. Status Under Review is a designation that highlights those species which are in need of additional information to reliably assign a State Rank or Status or that may be of questionable taxonomic status. Coefficients of Conservatism values (C-values) are primarily from Jones (2005). These values are used in Floristic Quality Assessments and are a ranking of a species’ ability to tolerate disturbance or conversely, a species fidelity to high-quality natural areas. Wetland Indictor Status ranks are from the 2012 National Wetland Plant List (NWPL) and status rankss are provided for the three zones or regions in Montana: Western Mountains, Valleys and Coast (WMVC); Great Plains (GP) and Arid West (AW) (Lichvar 2012). NRCS Code: Unique alpha-numeric code assigned to each plant taxa by the USDA NRCs PLANTS Database. References Dorn, R.D. 1984. Vascular Plants of Montana. Mountain West Publishing, Cheyenne, WY. 276 pp. Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 8+ vols. New York and Oxford. On-line at http://hua.huh.harvard.edu/FNA/ and http://www.efloras.org/flora_page.aspx?flora_id=1 Hitchcock, C.L and A. Cronquist. 1973. Flora of the Pacific Northwest. Univ of Washington Press, Seattle, WA. Jones, W. M. 2005. A Vegetation Index of Biotic Integrity for Small-order Streams in Southwest Montana and a Floristic Quality Assessment for Western Montana Wetlands. Montana Natural Heritage Program, Helena, MT. 29pp. + Appendices. On-line at: http://mtnhp.org/Reports/07_2005_Red_Rock.pdf Lavin, M. and C. Seibert. 2011. Grasses of Montana. MSU Herbarium, Dept of Plant Sciences and Plant Pathology, Montana State University, Bozeman, MT. 65 pp. On-line at: http://www.montana.edu/mlavin/herb/mtgrass.pdf Lesica, P. 2012. Manual of Montana Vascular Plants. Brit Press, Fort Worth, TX. 771 pp. Lichvar, R.W. 2012. The National Wetland Plant List. ERDC/CRREL TR-12-11. Hanover, NH: U.S. Army Corps of Engineers, Cold Regions Research and Engineering Laboratory. This document should be cited as follows: Mincemoyer, S. 2013. Checklist of Montana Vascular Plants: Dated June 3, 2013. Montana Natural Heritage Program, Helena, MT. 97 pp. Scientific Name Common Name Global State Origin State C- Value NWPL NWPL NWPL NRCS Rank Rank Status WMVC GP AW Code Pinophyta Pinopsida Cupressaceae Juniperus communis Common Juniper G5 S5 Native - - UPL UPL FACU JUCO6 Juniperus horizontalis Creeping Juniper G5 S5 Native - - FACU UPL FACU JUHO2 Juniperus osteosperma Utah Juniper G5 S4 Native - - UPL or NA UPL or NA UPL or NA JUOS Juniperus scopulorum Rocky Mountain Juniper G5 S5 Native - - UPL or NA UPL or NA UPL or NA JUSC2 Thuja plicata Western Redcedar G5 S5 Native - 7 FAC UPL FAC THPL Pinaceae Abies grandis Grand Fir G5 S5 Native - - FACU NA FACU ABGR Abies lasiocarpa Subalpine Fir G5 S5 Native - - FACU NA FACU ABLA Abies bifolia Larix lyallii Alpine Larch G4G5 S4 Native - - UPL or NA UPL or NA UPL or NA LALY Larix occidentalis Western Larch G5 S5 Native - - FACU NA FACU LAOC Picea engelmannii Engelmann Spruce G5 S5 Native - 4 FAC FAC FACU PIEN Picea glauca White Spruce G5 S4 Native - - FAC FACU FAC PIGL Pinus albicaulis Whitebark Pine G3G4 S3 Native SOC - UPL or NA UPL or NA UPL or NA PIAL Pinus contorta Lodgepole Pine G5 S5 Native - - FAC FACU FAC PICO Pinus flexilis Limber Pine G4 S5 Native - - UPL or NA UPL or NA UPL or NA PIFL2 Pinus monticola Western White Pine G4G5 S3? Native Review - FACU NA FACU PIMO3 Pinus ponderosa Ponderosa Pine G5 S5 Native - - FACU UPL FACU PIPO Pseudotsuga menziesii Douglas-fir G5 S5 Native - - FACU FACU FACU PSME Tsuga heterophylla Western Hemlock G5 S4 Native - - FACU NA FACU TSHE Tsuga mertensiana Mountain Hemlock G5 S4 Native - - FACU NA FACU TSME Taxaceae Taxus brevifolia Pacific Yew G4G5 S4 Native - - FACU NA FACU TABR2 Lycophyta Isoetopsida Isoetaceae Isoetes bolanderi Bolander's Quillwort G4 S4 Native - 7 OBL OBL OBL ISBO Isoetes echinospora Spiny-spore Quillwort G5 S2? Native Review - OBL OBL OBL ISEC Isoetes tenella Isoetes howellii Howell's Quillwort G4G5 S2? Native Review 8 OBL NA OBL ISHO Isoetes occidentalis Western Quillwort G4G5 S1? Native Review - OBL NA OBL ISOC Isoetes lacustris var. paupercula Selaginellaceae Selaginella densa Dense Spikemoss G5 S5 Native - - UPL or NA UPL or NA UPL or NA SEDE2 Selaginella densa var. densa Dense Spikemoss G5T5? SNR Native - - UPL or NA UPL or NA UPL or NA SEDED Selaginella densa var. scopulorum Rocky Mountain Spikemoss G5T4T5 SNR Native - - UPL or NA UPL or NA UPL or NA SEDES Selaginella densa var. standleyi Standley's Spikemoss G5T3T5 SU Native Review - UPL or NA UPL or NA UPL or NA SEDES2 Selaginella selaginoides Northern Spikemoss G5 S2S3 Native SOC - FACW NA FACW SESE Selaginella wallacei Wallace's Spikemoss G5 S3? Native - - UPL or NA UPL or NA UPL or NA SEWA Selaginella watsonii Watson's Spikemoss G4 S3? Native Review - UPL or NA UPL or NA UPL or NA SEWA2 Page 3 Scientific Name Common Name Global State Origin State C- Value NWPL NWPL NWPL NRCS Rank Rank Status WMVC GP AW Code Lycopodiopsida Lycopodiaceae Huperzia haleakalae Pacific Clubmoss G5 S2S3 Native Review - FACU NA FACU HUHA Lycopodium haleakalae Huperzia miyoshiana Chinese Clubmoss G4 S2S3 Native Review - UPL or NA UPL or NA UPL or NA HUCH Huperzia chinensis Huperzia selago ssp. chinensis Lycopodium selago ssp. chinense Huperzia occidentalis Western Clubmoss G5 S2S3 Native Review - UPL or NA UPL or NA UPL or NA HUOC Lycopodium selago [misapplied] Lycopodium alpinum Alpine Clubmoss G5 S3S4 Native Review 9 FAC NA UPL or NA LYAL3 Diphasiastrum alpinum Lycopodium annotinum Stiff Clubmoss G5 S4 Native - 6 UPL or NA UPL or NA UPL or NA LYAN2 Lycopodium clavatum Running-pine G5 S2S3 Native Review 10 FAC NA FAC LYCL Lycopodium complanatum Trailing Clubmoss G5 S3S4 Native - 7 FAC NA FAC LYCO3 Diphasiastrum complanatum Lycopodium dendroideum Treelike Clubmoss G5 S2 Native SOC - FACU FAC UPL or NA LYDE Dendrolycopodium dendroideum Lycopodium obscurum var. dendroideum Lycopodium inundatum Northern Bog Clubmoss G5 S2 Native SOC - OBL NA OBL LYIN Lycopodiella inundata Lycopodium lagopus Running-pine G5 S2 Native SOC - FACU NA FACU LYLA5 Lycopodium clavatum var. lagopus Lycopodium sitchense Alaskan Clubmoss G5 S3? Native Review - UPL or NA UPL or NA UPL or NA LYSI Diphasiastrum sitchense Filicinophyta Filicopsida Aspleniaceae Asplenium trichomanes Maidenhair Spleenwort G5 SH Native PSOC - FAC FAC FAC ASTR2 Asplenium trichomanes-ramosum Limestone Maidenhair Spleenwort G4 S2S3 Native Review - UPL or NA UPL or NA UPL or NA ASTR10 Asplenium viride Azollaceae Azolla filiculoides Pacific mosquitofern G5 SNR Unkn/Undt - - OBL NA OBL AZFI Dennstaedtiaceae Pteridium aquilinum Bracken Fern G5 S4 Native - - FACU FACU FACU PTAQ Dryopteridaceae Athyrium alpestre Alpine Ladyfern G4G5 S4 Native - - FAC FAC FAC ATAL4 Athyrium americanum Athyrium distentifolium Athyrium filix-femina
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