Index / States / Montana / Petroleum
§1County listing — Montana
Petroleum County
Montana
- FIPS
- 30069
- Taxa recorded
- 356
- State
- Montana
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Showing 1–50 of 356.
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Acer glabrum Torr. Native ACGLRocky Mountain maple · Aceraceae -
Achillea millefolium L. Both ACMI2common yarrow · Asteraceae - Achillea millefolium L. var. occidentalis DC. Native ACMIOwestern yarrow · Asteraceae
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Achnatherum hymenoides (Roem. & Schult.) Barkworth Native ACHYIndian ricegrass · Poaceae -
Acroptilon repens (L.) DC. Introduced ACRE3hardheads · Asteraceae -
Agoseris glauca (Pursh) Raf. Native AGGLpale agoseris · Asteraceae -
Agropyron cristatum (L.) Gaertn. Introduced AGCRcrested wheatgrass · Poaceae - Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev Introduced AGCRP8crested wheatgrass · Poaceae
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Allium cernuum Roth Native ALCE2nodding onion · Liliaceae -
Allium textile A. Nelson & J.F. Macbr. Native ALTEtextile onion · Liliaceae -
Amaranthus albus L. Introduced AMALprostrate pigweed · Amaranthaceae -
Ambrosia trifida L. Native AMTRgreat ragweed · Asteraceae - Ambrosia trifida L. var. trifida Native AMTRT2great ragweed · Asteraceae
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Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2Saskatoon serviceberry · Rosaceae - Antennaria parvifolia Nutt. Native ANPA4small-leaf pussytoes · Asteraceae
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Apocynum cannabinum L. Native APCAIndianhemp · Apocynaceae -
Arabis glabra (L.) Bernh. Native ARGLtower rockcress · Brassicaceae -
Arctium minus Bernh. Introduced ARMI2lesser burdock · Asteraceae -
Arctostaphylos uva-ursi (L.) Spreng. Native ARUVkinnikinnick · Ericaceae -
Arenaria hookeri Nutt. Native ARHO4Hooker's sandwort · Caryophyllaceae - Arenaria hookeri Nutt. ssp. hookeri Native ARHOH3Hooker's sandwort · Caryophyllaceae
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Arnica sororia Greene Native ARSO2twin arnica · Asteraceae -
Artemisia cana Pursh Native ARCA13silver sagebrush · Asteraceae -
Artemisia frigida Willd. Native ARFR4prairie sagewort · Asteraceae -
Artemisia ludoviciana Nutt. Both ARLUwhite sagebrush · Asteraceae -
Artemisia tridentata Nutt. Native ARTR2big sagebrush · Asteraceae -
Asclepias speciosa Torr. Native ASSPshowy milkweed · Asclepiadaceae -
Astragalus agrestis Douglas ex G. Don Native ASAG2purple milkvetch · Fabaceae -
Astragalus bisulcatus (Hook.) A. Gray Native ASBI2twogrooved milkvetch · Fabaceae - Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus Native ASBIBtwogrooved milkvetch · Fabaceae
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Astragalus drummondii Douglas ex Hook. Native ASDR3Drummond's milkvetch · Fabaceae -
Astragalus gilviflorus Sheldon Native ASGI5plains milkvetch · Fabaceae - Astragalus gilviflorus Sheldon var. gilviflorus Native ASGIGplains milkvetch · Fabaceae
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Astragalus laxmannii Jacq. Native ASLA27Laxmann's milkvetch · Fabaceae - Astragalus laxmannii Jacq. var. robustior (Hook.) Barneby & S.L. Welsh Native ASLARprairie milkvetch · Fabaceae
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Astragalus missouriensis Nutt. Native ASMI10Missouri milkvetch · Fabaceae - Astragalus missouriensis Nutt. var. missouriensis Native ASMIM5Missouri milkvetch · Fabaceae
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Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don Native ASPE5narrowleaf milkvetch · Fabaceae -
Astragalus purshii Douglas ex Hook. Native ASPU9woollypod milkvetch · Fabaceae -
Astragalus spatulatus Sheldon Native ASSP6tufted milkvetch · Fabaceae -
Astragalus vexilliflexus Sheldon Native ASVE5bentflower milkvetch · Fabaceae - Astragalus vexilliflexus Sheldon var. vexilliflexus Native ASVEV2bentflower milkvetch · Fabaceae
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Atriplex argentea Nutt. Native ATAR2silverscale saltbush · Chenopodiaceae - Atriplex argentea Nutt. ssp. argentea Native ATARAsilverscale saltbush · Chenopodiaceae
- Atriplex argentea Nutt. ssp. argentea var. argentea Native ATARA2silverscale saltbush · Chenopodiaceae
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Atriplex canescens (Pursh) Nutt. Native ATCA2fourwing saltbush · Chenopodiaceae - Atriplex canescens (Pursh) Nutt. var. canescens Native ATCACfourwing saltbush · Chenopodiaceae
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Atriplex confertifolia (Torr. & Frém.) S. Watson Native ATCOshadscale saltbush · Chenopodiaceae -
Atriplex gardneri (Moq.) D. Dietr. Native ATGAGardner's saltbush · Chenopodiaceae -
Atriplex rosea L. Introduced ATROtumbling saltweed · Chenopodiaceae