Montgomery County

Showing 1–50 of 209.

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  Acalypha virginica L. Native ACVI

  Virginia threeseed mercury · Euphorbiaceae
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  Alisma subcordatum Raf. Native ALSU

  American water plantain · Alismataceae
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  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae
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  Allium canadense L. var. canadense Native ALCAC

  meadow garlic · Liliaceae
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  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae
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  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae
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  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
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  Anemone canadensis L. Native ANCA8

  Canadian anemone · Ranunculaceae
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  Anemone cylindrica A. Gray Native ANCY

  candle anemone · Ranunculaceae
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  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
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  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
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  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Arnoglossum plantagineum Raf. Native ARPL4

  groovestem Indian plantain · Asteraceae
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  Artemisia biennis Willd. Both ARBI2

  biennial wormwood · Asteraceae
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  Artemisia biennis Willd. var. biennis Introduced ARBIB

  biennial wormwood · Asteraceae
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  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
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  Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2

  white sagebrush · Asteraceae
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  Asclepias incarnata L. Native ASIN

  swamp milkweed · Asclepiadaceae
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  Asclepias incarnata L. ssp. incarnata Native ASINI

  swamp milkweed · Asclepiadaceae
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  Asclepias tuberosa L. Native ASTU

  butterfly milkweed · Asclepiadaceae
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  Asclepias tuberosa L. ssp. interior Woodson Native ASTUI

  butterfly milkweed · Asclepiadaceae
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  Asclepias verticillata L. Native ASVE

  whorled milkweed · Asclepiadaceae
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  Asparagus officinalis L. Introduced ASOF

  garden asparagus · Liliaceae
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  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae
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  Berteroa incana (L.) DC. Introduced BEIN2

  hoary alyssum · Brassicaceae
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  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae
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  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae
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  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae
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  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae
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  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae
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  Calystegia sepium (L.) R. Br. ssp. angulata Brummitt Native CASEA3

  hedge false bindweed · Convolvulaceae
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  Carex atherodes Spreng. Native CAAT2

  wheat sedge · Cyperaceae
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  Carex grisea Wahlenb. Native CAGR24

  inflated narrow-leaf sedge · Cyperaceae
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  Carex vulpinoidea Michx. Native CAVU2

  fox sedge · Cyperaceae
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  Carex vulpinoidea Michx. var. vulpinoidea Native CAVUV

  fox sedge · Cyperaceae
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  Carya cordiformis (Wangenh.) K. Koch Native CACO15

  bitternut hickory · Juglandaceae
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  Catalpa speciosa (Warder) Warder ex Engelm. Native CASP8

  northern catalpa · Bignoniaceae
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  Ceanothus americanus L. Native CEAM

  New Jersey tea · Rhamnaceae
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  Ceanothus herbaceus Raf. Native CEHE

  Jersey tea · Rhamnaceae
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  Cenchrus longispinus (Hack.) Fernald Native CELO3

  mat sandbur · Poaceae
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  Cerastium nutans Raf. Native CENU2

  nodding chickweed · Caryophyllaceae
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  Cerastium nutans Raf. var. nutans Native CENUN

  nodding chickweed · Caryophyllaceae
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  Chamaecrista fasciculata (Michx.) Greene Native CHFA2

  partridge pea · Fabaceae
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  Chamaecrista fasciculata (Michx.) Greene var. fasciculata Native CHFAF

  partridge pea · Fabaceae
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  Chamaesyce maculata (L.) Small Native CHMA15

  spotted sandmat · Euphorbiaceae
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  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae
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  Chenopodium pratericola Rydb. Native CHPR5

  desert goosefoot · Chenopodiaceae
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  Cirsium vulgare (Savi) Ten. Introduced CIVU

  bull thistle · Asteraceae
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  Cornus drummondii C.A. Mey. Native CODR

  roughleaf dogwood · Cornaceae
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  Corydalis micrantha (Engelm. ex A. Gray) A. Gray Native COMI2

  smallflower fumewort · Fumariaceae