Plant Type. Co-efficient of Conservatism. Coefficient of Wetness

Transcription

1 Appendix 2: TRCA Flora Species (Apr 2014 ranks) Local Popn. Hab. Sens. Total Rank Occur. Trend Dep. Dev. Score TRCA Score Family Sp_code Scientific Name Common Name Apr-14 Date Co-efficient of Conservatism Coefficient of Wetness Plant Type Pinaceae ABIBALS Abies balsamea balsam fir L4 24-Feb TR Malvaceae ABUTHEO Abutilon theophrasti velvet-leaf L+ 16-Apr-14 4 FO Euphorbiaceae ACAVIRG Acalypha rhomboidea three-seeded mercury L5 16-Apr FO Sapindaceae ACECAMP Acer campestre hedge maple L+ 16-Apr-14 5 TR Sapindaceae ACENEGU Acer negundo Manitoba maple L+? 16-Apr-14-2 TR Sapindaceae ACEPLAT Acer platanoides Norway maple L+ 16-Apr-14 5 TR Sapindaceae ACEPSEU Acer pseudoplatanus sycamore maple L+ 16-Apr-14 5 TR Sapindaceae ACERUBR Acer rubrum red maple L4 16-Apr TR Sapindaceae ACESACI Acer saccharinum silver maple L4 16-Apr TR Sapindaceae ACESANI Acer saccharum ssp. nigrum black maple L4 16-Apr TR Sapindaceae ACESASA Acer saccharum ssp. saccharum sugar maple L5 16-Apr TR Sapindaceae ACESPIC Acer spicatum mountain maple L4 16-Apr SH Sapindaceae ACETATA Acer tataricum Tartar maple L+ 2-Jun-08 5 TR Sapindaceae ACEGINN Acer tataricum ssp. ginnala Amur maple L+ 16-Apr-14 5 SH Sapindaceae ACEXFRE Acer x freemanii hybrid swamp maple L4 16-Apr TR Asteraceae ACHMILA Achillea millefolium ssp. lanulosa woolly yarrow L5 16-Apr FO Asteraceae ACHMIMI Achillea millefolium ssp. millefolium European yarrow L+ 16-Apr-14 3 FO Asteraceae ACHPTAR Achillea ptarmica sneezeweed yarrow L+ 10-Mar-08 0 FO Acoraceae ACOAMER Acorus americanus sweet flag L3 16-Apr FO Ranunculaceae ACTPACH Actaea pachypoda white baneberry L4 16-Apr FO Ranunculaceae CIMRACE Actaea racemosa black snakeroot LX 27-Mar FO Ranunculaceae ACTRUBN Actaea rubra f. neglecta white form red baneberry L4 16-Apr FO Ranunculaceae ACTRUBR Actaea rubra ssp. rubra red baneberry L5 16-Apr FO Ranunculaceae ACTXLUD Actaea x ludovici hybrid baneberry L3 28-Apr FO Pteridaceae ADIPEDA Adiantum pedatum northern maidenhair fern L3 16-Apr FE Papaveraceae ADLFUNG Adlumia fungosa climbing fumitory LX 10-Mar VI Apiaceae AEGPODA Aegopodium podagraria goutweed L+ 16-Apr-14 0 FO Sapindaceae AESGLAB Aesculus glabra Ohio buckeye L+ 16-Apr TR Sapindaceae AESHIPP Aesculus hippocastanum horse-chestnut L+ 16-Apr-14 5 TR Orobanchaceae AGAPAUP Agalinis paupercula small-flowered gerardia L1 10-Mar FO Orobanchaceae AGAPURP Agalinis purpurea purple gerardia LX 10-Mar FO Orobanchaceae AGATENU Agalinis tenuifolia slender gerardia L3 16-Apr FO Lamiaceae AGAFOEN Agastache foeniculum fennel giant hyssop L+ 16-Apr FO Lamiaceae AGANEPE Agastache nepetoides catnip giant hyssop LX 10-Mar FO Asteraceae EUPRUGO Ageratina altissima var. altissima white snakeroot L5 16-Apr FO Asteraceae AGEHOUS Ageratum houstonianum garden ageratum L+ 10-Mar-08 5 FO Rosaceae AGRGRYP Agrimonia gryposepala agrimony L5 16-Apr FO Rosaceae AGRPUBE Agrimonia pubescens hairy agrimony L3 23-Feb FO Poaceae AGRCRIS Agropyron cristatum crested wheat-grass L+ 16-Apr-14 5 GR Caryophyllaceae AGRGITH Agrostemma githago corn-cockle 5 ns ns ns 5 L+ 11-Apr-03 3 FO Poaceae AGRGIGA Agrostis gigantea redtop L+ 16-Apr-14 0 GR Poaceae AGRPERE Agrostis perennans upland bent grass L3 10-Mar GR Poaceae AGRSCAB Agrostis scabra ticklegrass L3 16-Apr GR Poaceae AGRSTOL Agrostis stolonifera creeping bent grass L+? 16-Apr-14-3 GR Simaroubaceae AILALTI Ailanthus altissima tree-of-heaven L+ 16-Apr-14 5 TR Lamiaceae AJUGENE Ajuga genevensis erect bugle 5 ns ns ns 5 L+ 11-Apr-03 5 FO Lamiaceae AJUREPT Ajuga reptans common bugle L+ 16-Apr-14 5 FO Malvaceae ALCROSE Alcea rosea hollyhock L+ 16-Apr-14 5 FO Rosaceae ALH_SP Alchemilla sp. lady's mantle L+ 6-Apr-10 FO Alismataceae ALIGRAM Alisma gramineum grass-like water-plantain LX 11-Mar FO Alismataceae ALIPLAN Alisma plantago-aquatica water-plantain L5 16-Apr FO Brassicaceae ALLPETI Alliaria petiolata garlic mustard L+ 16-Apr-14 0 FO Amaryllidaceae ALLAMPE Allium ampeloprasum garden leek L+ 3-Feb-12 FO Amaryllidaceae ALLCEPA Allium cepa onion L+ 16-Apr-14 FO Amaryllidaceae ALLSCSC Allium schoenoprasum var. schoenoprasum chives L+ 16-Apr-14-1 FO Amaryllidaceae ALLSCSI Allium schoenoprasum var. sibiricum wild chives L+? 2-Mar FO Amaryllidaceae ALLTRIC Allium tricoccum wild leek L4 16-Apr FO Amaryllidaceae ALLTUBE Allium tuberosum onion L+ 11-Mar-08 5 FO Amaryllidaceae ALLVINE Allium vineale field garlic L+ 11-Mar-08 3 FO Betulaceae ALNGLUT Alnus glutinosa European alder L+ 16-Apr-14-2 TR Betulaceae ALNX Alnus glutinosa x incana ssp. rugosa hybrid European - speckled alder L+ 16-Apr-14 TR Betulaceae ALNININ Alnus incana ssp. incana grey alder L+ 16-Apr-14-2 TR Betulaceae ALNINRU Alnus incana ssp. rugosa speckled alder L3 16-Apr SH Poaceae ALOAEQU Alopecurus aequalis short-awned foxtail L3 16-Apr GR Poaceae ALOGENI Alopecurus geniculatus marsh foxtail L+? 11-Mar-08-5 GR Poaceae ALOPRAT Alopecurus pratensis meadow foxtail L+ 16-Apr-14-3 GR Malvaceae ALTHIRS Althaea hirsuta rough marsh mallow L+ 11-Mar-08 0 FO Malvaceae ALTOFFI Althaea officinalis marsh mallow L+ 11-Mar-08 0 FO Brassicaceae ALYALYS Alyssum alyssoides yellow alyssum L+ 16-Apr-14 5 FO Amaranthaceae AMAALBU Amaranthus albus tumbleweed L+ 11-Mar-08 3 FO Amaranthaceae AMABLIT Amaranthus blitoides prostrate pigweed L+ 11-Mar-08 5 FO Amaranthaceae AMACRUE Amaranthus cruentus purple pigweed L+ 11-Mar-08 FO Amaranthaceae AMAHYBR Amaranthus hybridus slender pigweed L+ 3-Feb-12 5 FO Amaranthaceae AMAPOWE Amaranthus powellii Powell's pigweed L+ 21-Jun-12 5 FO Amaranthaceae AMARETR Amaranthus retroflexus red-root pigweed L+ 16-Apr-14 2 FO Asteraceae AMBARTE Ambrosia artemisiifolia common ragweed L5 16-Apr FO Asteraceae AMBTRIF Ambrosia trifida giant ragweed L5 16-Apr FO Rosaceae AMEAMAB Amelanchier amabilis large-flowered serviceberry L3 11-Mar SH Rosaceae AMEARBO Amelanchier arborea downy serviceberry L4 16-Apr SH Rosaceae AMEXINT Amelanchier interior hybrid serviceberry complex L4 16-Apr SH Rosaceae AMELAEV Amelanchier laevis smooth serviceberry L4 16-Apr SH Rosaceae AMESANG Amelanchier sanguinea round-leaved serviceberry L4 16-Apr SH Rosaceae AMESPIC Amelanchier spicata running serviceberry L2 22-Apr SH Poaceae AMMBREV Ammophila breviligulata marram grass L2 21-Jun GR Fabaceae AMOFRUT Amorpha fruticosa shrubby false indigo L+ 16-Apr SH Fabaceae AMPBRAC Amphicarpaea bracteata hog-peanut L5 16-Apr VI Primulaceae ANAARVE Anagallis arvensis scarlet pimpernel L+ 16-Apr-14 4 FO Asteraceae ANAMARG Anaphalis margaritacea pearly everlasting L3 12-Mar FO Boraginaceae ANARVE Anchusa arvensis small bugloss L+ 12-Mar-08 5 FO Ericaceae ANDPOLI Andromeda polifolia var. latifolia bog rosemary L1 12-Mar SH Poaceae ANDGERA Andropogon gerardii big bluestem L3 16-Apr GR Primulaceae ANDSEPT Androsace septentrionalis pygmy-flower L3 12-Mar FO Ranunculaceae ANEACUT Anemone acutiloba sharp-lobed hepatica L3 21-Jun FO Ranunculaceae ANEAMER Anemone americana round-lobed hepatica L2 3-Feb FO Ranunculaceae ANECANA Anemone canadensis Canada anemone L5 16-Apr FO Ranunculaceae ANECYLI Anemone cylindrica long-fruited thimbleweed L3 3-Feb FO Ranunculaceae ANEMULT Anemone multifida red anemone L2 12-Mar FO Ranunculaceae ANEQUIN Anemone quinquefolia var. quinquefolia wood-anemone L3 16-Apr FO Ranunculaceae ANEVIRG Anemone virginiana common thimbleweed L5 16-Apr FO Apiaceae ANGATRO Angelica atropurpurea angelica L3 16-Apr FO Asteraceae ANTHOHO Antennaria howellii ssp. howellii Howell's pussytoes L5 16-Apr FO Asteraceae ANTHONE Antennaria howellii ssp. neodioica small pussytoes LU 22-Apr FO Asteraceae ANTHOPE Antennaria howellii ssp. petaloidea sessile-leaved pussytoes LU 2-Jun FO Asteraceae ANTNEGL Antennaria neglecta field pussytoes LU 22-Apr FO Asteraceae ANTPAFA Antennaria parlinii ssp. fallax plantain-leaved pussytoes L3 16-Apr FO Asteraceae ANTARVE Anthemis arvensis corn-chamomile L+ 16-Apr-14 5 FO Asteraceae ANTCOTU Anthemis cotula stinking mayweed L+ 16-Apr-14 3 FO Poaceae HIEODOR Anthoxanthum nitens ssp. nitens sweet grass LX 9-Apr GR Poaceae ANTODOR Anthoxanthum odoratum sweet vernal grass L+ 12-Mar-08 3 GR Apiaceae ANTSYLV Anthriscus sylvestris wild chervil L+ 16-Apr-14 5 FO Page 1

2 Appendix 2: TRCA Flora Species (Apr 2014 ranks) Local Popn. Hab. Sens. Total Rank Occur. Trend Dep. Dev. Score TRCA Score Family Sp_code Scientific Name Common Name Apr-14 Date Co-efficient of Conservatism Coefficient of Wetness Plant Type Melanthiaceae ZIGELEG Anticlea elegans white camas LX 24-Apr FO Plantaginaceae ANTMAJU Antirrhinum majus snapdragon L+ 12-Mar-08 5 FO Poaceae APESPIC Apera spica-venti silky bent grass L+ 2-Jun-08 5 GR Fabaceae APIAMER Apios americana ground-nut L4 16-Apr VI Orchidaceae APLHYEM Aplectrum hyemale putty-root LX 12-Mar FO Apocynaceae APOANDR Apocynum androsaemifolium spreading dogbane L5 16-Apr FO Apocynaceae APOCANN Apocynum cannabinum hemp dogbane (sensu lato) L5 16-Apr FO Apocynaceae APOCACA Apocynum cannabinum var. cannabinum hemp dogbane L5 16-Apr-14 3 FO Apocynaceae APOSIBI Apocynum cannabinum var. hypericifolium clasping-leaved hemp dogbane L5 16-Apr FO Apocynaceae APOXFLO Apocynum x floribundum intermediate dogbane LH 13-Mar FO Ranunculaceae AQUCANA Aquilegia canadensis wild columbine L4 3-Feb FO Ranunculaceae AQUVULG Aquilegia vulgaris garden columbine L+ 16-Apr-14 3 FO Brassicaceae ARATHAL Arabidopsis thaliana mouse-ear cress L+ 13-Mar-08 5 FO Brassicaceae ARAPROC Arabis procurrens running rockcress L+ 2-Jun-08 5 FO Brassicaceae ARAHIPY Arabis pycnocarpa var. pycnocarpa hairy rock-cress L2 13-Mar FO Araliaceae ARAELA Aralia elata Japanese angelica-tree L+ 16-Apr-14 SH Araliaceae ARAHISP Aralia hispida bristly sarsaparilla LX 13-Mar SH Araliaceae ARANUDI Aralia nudicaulis wild sarsaparilla L5 16-Apr FO Araliaceae ARARACE Aralia racemosa ssp. racemosa spikenard L3 16-Apr FO Loranthaceae ARCPUSI Arceuthobium pusillum dwarf mistletoe L1 24-Feb FO Asteraceae ARCLAPP Arctium lappa great burdock L+ 16-Apr-14 5 FO Asteraceae ARCMIMI Arctium minus common burdock L+ 16-Apr-14 5 FO Asteraceae ARCTOME Arctium tomentosum woolly burdock L+ 14-Mar-08 5 FO Ericaceae ARCUVA- Arctostaphylos uva-ursi bear-berry LX 3-Apr SH Caryophyllaceae ARESERP Arenaria serpyllifolia thyme-leaved sandwort L+ 16-Apr-14 0 FO Orchidaceae AREBULB Arethusa bulbosa dragon's mouth orchid LX 14-Mar FO Araceae ARITRIP Arisaema triphyllum Jack-in-the-pulpit L5 16-Apr FO Brassicaceae ARMRUST Armoracia rusticana horse-radish L+ 16-Apr-14 0 FO Rosaceae AROMELA Aronia melanocarpa black choke-berry L2 16-Apr SH Poaceae ARRELAT Arrhenatherum elatius tall oat-grass L+ 14-Mar-08 3 GR Asteraceae ARTABRO Artemisia abrotanum southernwood L+ 14-Mar-08 5 FO Asteraceae ARTABSI Artemisia absinthium common wormwood L+ 16-Apr-14 FO Asteraceae ARTANNU Artemisia annua sweet wormwood L+ 14-Mar-08 3 FO Asteraceae ARTBIEN Artemisia biennis biennial wormwood L+ 16-Apr-14-2 FO Asteraceae ARTCAMP Artemisia campestris ssp. caudata beach wormwood L3 16-Apr FO Asteraceae ARTDRAC Artemisia dracunculus tarragon L+? 14-Mar-08 5 FO Asteraceae ARTLUDO Artemisia ludoviciana western mugwort L+ 14-Mar FO Asteraceae ARTPONT Artemisia pontica Roman wormwood L+ 14-Mar-08 5 FO Asteraceae ARTVULG Artemisia vulgaris common mugwort L+ 16-Apr-14 5 FO Aristolochiaceae ASACANA Asarum canadense wild ginger L4 21-Jun FO Apocynaceae ASCEXAL Asclepias exaltata poke milkweed L2 21-Jun FO Apocynaceae ASCINCA Asclepias incarnata ssp. incarnata swamp milkweed L4 16-Apr FO Apocynaceae ASCSULL Asclepias sullivantii smooth milkweed LX 3-Apr FO Apocynaceae ASCSYRI Asclepias syriaca common milkweed L5 16-Apr FO Apocynaceae ASCTUBE Asclepias tuberosa butterfly milkweed LX 14-Mar FO Asparagaceae ASPOFFI Asparagus officinalis asparagus L+ 16-Apr-14 3 FO Aspleniaceae ASPPLAT Asplenium platyneuron ebony spleenwort L3 14-Mar FE Fabaceae ASTCANA Astragalus canadensis Canada milk-vetch L1 3-Feb FO Woodsiaceae ATHFILI Athyrium filix-femina var. angustum northeastern lady fern L5 16-Apr FE Amaranthaceae ATRHETE Atriplex heterosperma Russian orache L+ 14-Mar-08 FO Amaranthaceae ATRHORT Atriplex hortensis garden orache L+ 14-Mar-08 0 FO Amaranthaceae ATRPATU Atriplex patula halberd-leaved orache L+? 16-Apr-14-2 FO Amaranthaceae ATRPROS Atriplex prostrata spreading orache L+? 16-Apr-14-2 FO Amaranthaceae ATRROSE Atriplex rosea red orache L+ 14-Mar-08 2 FO Orobanchaceae AURFLAV Aureolaria flava yellow false foxglove LX 14-Mar FO Orobanchaceae AURPEDI Aureolaria pedicularia fern-leaved false floxglove LX 14-Mar FO Poaceae AVEFATU Avena fatua wild oats L+ 14-Mar-08 5 GR Poaceae AVESATI Avena sativa oats L+ 16-Apr-14 5 GR Amaranthaceae AXYAMAR Axyris amaranthoides Russian pigweed L+ 2-Jun-08 FO Brassicaceae BARVULG Barbarea vulgaris winter cress L+ 16-Apr-14 0 FO Poaceae BECSYZI Beckmannia syzigachne slough grass L3 21-Jun GR Asteraceae BELPERE Bellis perennis English daisy 5 ns ns ns 5 L+ 11-Apr-03 5 FO Berberidaceae BERAQUI Berberis aquifolium Oregon-grape L+ 16-Apr-14 5 SH Berberidaceae BERTHUN Berberis thunbergii Japanese barberry L+ 16-Apr-14 4 SH Berberidaceae BERVULG Berberis vulgaris common barberry L+ 16-Apr-14 3 SH Brassicaceae BERINCA Berteroa incana hoary alyssum L+ 7-Mar-08 5 FO Betulaceae BETALLE Betula alleghaniensis yellow birch L4 21-Jun TR Betulaceae BETPAPY Betula papyrifera paper birch L4 16-Apr TR Betulaceae BETPEND Betula pendula European white birch L+ 16-Apr-14-4 TR Betulaceae BETPUMI Betula pumila dwarf birch L1 17-Mar SH Asteraceae MEGBECK Bidens beckii water-marigold L1 3-Feb FO Asteraceae BIDCERN Bidens cernua nodding bur-marigold L5 16-Apr FO Asteraceae BIDDISC Bidens discoidea small beggar's-ticks L3 16-Apr FO Asteraceae BIDFRON Bidens frondosa common beggar's-ticks L5 16-Apr FO Asteraceae BIDTRIP Bidens tripartita three-parted beggar's-ticks L5 16-Apr FO Asteraceae BIDVULG Bidens vulgata tall beggar's-ticks L4 16-Apr FO Brassicaceae ARACANA Boechera canadensis sicklepod L2 3-Feb FO Brassicaceae ARADIVA Boechera divaricarpa divaricate rock-cress LX 13-Mar FO Brassicaceae ARALAEV Boechera laevigata smooth rock-cress L2 13-Mar FO Brassicaceae ARADRUM Boechera stricta Drummond's rock-cress LX 13-Mar FO Urticaceae BOECYLI Boehmeria cylindrica false nettle L4 16-Apr FO Cyperaceae SCIFLUV Bolboschoenus fluviatilis river bulrush L3 16-Apr SE Boraginaceae BOROFFI Borago officinalis borage 5 ns ns ns 5 L+ 11-Apr-03 5 FO Ophioglossaceae BOTDISS Botrychium dissectum cut-leaved grape fern L2 16-Apr FE Ophioglossaceae BOTLANC Botrychium lanceolatum ssp. angustisegmentum triangle grape fern LX 17-Mar FE Ophioglossaceae BOTMATR Botrychium matricariifolium daisy-leaved grape fern L1 17-Mar FE Ophioglossaceae BOTMULT Botrychium multifidum leathery grape fern L1 3-Feb FE Ophioglossaceae BOTONEI Botrychium oneidense blunt-lobed grape fern 5 ns ns ns 5 LX 11-Apr FE Ophioglossaceae BOTSIMP Botrychium simplex least grape fern LX 17-Mar FE Ophioglossaceae BOTVIRG Botrychium virginianum rattlesnake fern L3 16-Apr FE Poaceae BOUCURT Bouteloua curtipendula side-oats grama L+ 16-Apr GR Poaceae BRAARIS Brachyelytrum aristosum northern short-husk LU 24-Feb-12 7 GR Poaceae BRAEREC Brachyelytrum erectum bearded short-husk L3 21-Jun GR Cabombaceae BRASCHR Brasenia schreberi water-shield L1 16-Apr FO Brassicaceae BRAJUNC Brassica juncea brown mustard L+ 16-Apr-14 5 FO Brassicaceae BRANIGR Brassica nigra black mustard 5 ns ns ns 5 L+ 11-Apr-03 5 FO Brassicaceae BRAOLER Brassica oleracea kale 5 ns ns ns 5 L+ 11-Apr-03 5 FO Brassicaceae BRARAPA Brassica rapa turnip L+ 16-Apr-14 5 FO Poaceae BRIMEDI Briza media quaking grass 5 ns ns ns 5 L+ 11-Apr-03 0 GR Poaceae BROBRIZ Bromus briziformis quake-grass brome 5 ns ns ns 5 L+ 11-Apr-03 5 GR Poaceae BROCILI Bromus ciliatus fringed brome grass L3 16-Apr GR Poaceae BROCOMM Bromus commutatus upright chess L+ 16-Apr-14 5 GR Poaceae BRODANT Bromus danthoniae danthonia-like brome 5 ns ns ns 5 L+ 11-Apr-03 5 GR Poaceae BROHORD Bromus hordeaceus ssp. hordeaceus soft brome L+ 16-Apr-14 5 GR Poaceae BROININ Bromus inermis smooth brome grass L+ 16-Apr-14 5 GR Poaceae BROJAPO Bromus japonicus Japanese chess L+ 16-Apr-14 3 GR Poaceae BROKALM Bromus kalmii Kalm's brome LX 17-Mar GR Poaceae BROLATI Bromus latiglumis eared brome L4 16-Apr GR Poaceae BROPUBE Bromus pubescens Canada brome L2 3-Feb GR Poaceae BRORACE Bromus racemosus spiked brome L+ 16-Apr-14 GR Page 2

3 Appendix 2: TRCA Flora Species (Apr 2014 ranks) Local Popn. Hab. Sens. Total Rank Occur. Trend Dep. Dev. Score TRCA Score Family Sp_code Scientific Name Common Name Apr-14 Date Co-efficient of Conservatism Coefficient of Wetness Plant Type Poaceae BROSECA Bromus secalinus cheat brome L+ 16-Apr-14 5 GR Poaceae BROTECT Bromus tectorum downy chess L+ 16-Apr-14 5 GR Boraginaceae BUGARVE Buglossoides arvensis corn gromwell L+ 16-Apr-14 5 FO Butomaceae BUTUMBE Butomus umbellatus flowering-rush 5 ns ns ns 5 L+ 11-Apr-03-5 FO Buxaceae BUXSEMP Buxus sempervirens boxwood L+ 16-Apr-14 5 SH Brassicaceae CAKEDEN Cakile edentula sea-rocket L2 17-Mar FO Poaceae CALCANA Calamagrostis canadensis Canada blue joint L4 16-Apr GR Poaceae CALEPIG Calamagrostis epigeios feathertop L+ 16-Apr-14 0 GR Poaceae CALSTRI Calamagrostis stricta ssp. inexpansa northern reed grass L2 17-Mar GR Asteraceae CALOFFI Calendula officinalis pot-marigold 5 ns ns ns 5 L+ 11-Apr-03 5 FO Araceae CALPALS Calla palustris water arum L2 16-Apr FO Plantaginaceae CALPALT Callitriche palustris marsh water starwort L3 17-Mar FO Orchidaceae CALTUBE Calopogon tuberosus grass pink L1 16-Apr FO Ranunculaceae CALPALU Caltha palustris marsh marigold L4 16-Apr FO Orchidaceae CALBULB Calypso bulbosa calypso LX 18-Mar FO Convolvulaceae CALSEPI Calystegia sepium hedge bindweed (sensu lato) L5 16-Apr FO Convolvulaceae CALSEAM Calystegia sepium ssp. americana pink hedge bindweed L5 22-Apr-14 2 FO Convolvulaceae CALSEAN Calystegia sepium ssp. angulata white hedge bindweed L4 16-Apr-14 2 FO Convolvulaceae CALSPIT Calystegia spithamaea ssp. spithamaea low bindwind L3 21-Jun FO Brassicaceae CAMMICR Camelina microcarpa small-seeded false flax L+ 7-Mar-08 5 FO Brassicaceae CAMSATI Camelina sativa sown false flax 5 ns ns ns 5 L+ 11-Apr-03 1 FO Campanulaceae CAMAPAR Campanula aparinoides marsh bellflower L3 21-Jun FO Campanulaceae CAMPERS Campanula persicifolia peach-leaved bellflower L+ 16-Apr-14 5 FO Campanulaceae CAMRAPU Campanula rapunculoides creeping bellflower L+ 16-Apr-14 5 FO Campanulaceae CAMROTU Campanula rotundifolia harebell L1 18-Mar FO Cannabaceae CANSATI Cannabis sativa marijuana 5 ns ns ns 5 L+ 11-Apr-03 0 FO Papaveraceae CORSEMP Capnoides sempervirens pale corydalis LX 3-Apr FO Brassicaceae CAPBURS Capsella bursa-pastoris shepherd's purse L+ 16-Apr-14 1 FO Fabaceae CARARBO Caragana arborescens Siberian pea-shrub L+ 16-Apr-14 5 SH Brassicaceae CARBULB Cardamine bulbosa spring cress L2 18-Mar FO Brassicaceae CARCONC Cardamine concatenata cut-leaved toothwort L3 21-Jun FO Brassicaceae CARDIPH Cardamine diphylla broad-leaved toothwort L4 16-Apr FO Brassicaceae CARDOUG Cardamine douglassii purple cress L3 3-Feb FO Brassicaceae CARFLEX Cardamine flexuosa wavy bittercress L+ 2-Jun-08 5 FO Brassicaceae CARHIRS Cardamine hirsuta hairy bitter cress 5 ns ns ns 5 L+ 11-Apr-03 3 FO Brassicaceae CARIMPA Cardamine impatiens balsam bitter cress L+ 16-Apr-14 5 FO Brassicaceae CARXMAX Cardamine maxima hybrid toothwort L4 16-Apr FO Brassicaceae CARPRAT Cardamine nymanii cuckoo-flower L2 27-Feb FO Brassicaceae CARPENL Cardamine pensylvanica bitter cress L4 16-Apr FO Asteraceae CARACAN Carduus acanthoides plumeless thistle L+ 16-Apr-14 5 FO Asteraceae CARNUTA Carduus nutans ssp. nutans nodding thistle L+ 16-Apr-14 5 FO Cyperaceae CARALAL Carex albicans var. albicans blunt-scaled sedge L2 2-Jun SE Cyperaceae CARALBU Carex albursina white bear sedge L3 16-Apr SE Cyperaceae CARALOP Carex alopecoidea foxtail wood sedge L3 16-Apr SE Cyperaceae CARAPPA Carex appalachica Appalachian sedge L2 27-Feb SE Cyperaceae CARAQUA Carex aquatilis water sedge L2 3-Feb SE Cyperaceae CARARCT Carex arctata nodding wood sedge L5 16-Apr SE Cyperaceae CARATHE Carex atherodes awned sedge L3 16-Apr SE Cyperaceae CARAURE Carex aurea golden-fruited sedge L4 16-Apr SE Cyperaceae CARBACK Carex backii Back's sedge L3 16-Apr SE Cyperaceae CARBEBB Carex bebbii Bebb's sedge L5 16-Apr SE Cyperaceae CARTRBI Carex billingsii Billings' three-seeded sedge LU 27-Feb SE Cyperaceae CARBLAN Carex blanda common wood sedge L5 16-Apr SE Cyperaceae CARBREV Carex brevior short-fruited sedge L3 18-Mar SE Cyperaceae CARBROM Carex bromoides brome-like sedge L4 16-Apr SE Cyperaceae CARBRUN Carex brunnescens ssp. brunnescens brownish sedge L3 16-Apr SE Cyperaceae CARBUXB Carex buxbaumii dark-scaled sedge L2 18-Mar SE Cyperaceae CARCANE Carex canescens ssp. canescens silvery sedge L3 16-Apr SE Cyperaceae CARCAST Carex castanea chestnut-scaled sedge L3 18-Mar SE Cyperaceae CARCEPD Carex cephaloidea thin-leaved sedge L4 21-Jun SE Cyperaceae CARCEPP Carex cephalophora oval-headed sedge L4 21-Jun SE Cyperaceae CARCHOR Carex chordorrhiza creeping sedge L2 16-Apr SE Cyperaceae CARCOMM Carex communis fibrous-rooted sedge L4 16-Apr SE Cyperaceae CARCOMO Carex comosa bristly sedge L3 19-Mar SE Cyperaceae CARCRAF Carex crawfordii Crawford's sedge L3 21-Jun SE Cyperaceae CARCRIN Carex crinita fringed sedge L3 16-Apr SE Cyperaceae CARCRIS Carex cristatella crested sedge L5 16-Apr FO Cyperaceae CARCRYP Carex cryptolepis small yellow sedge L2 16-Apr SE Cyperaceae CARDERU Carex debilis var. rudgei white-edged sedge L3 19-Mar SE Cyperaceae CARDEWE Carex deweyana Dewey's sedge L4 16-Apr SE Cyperaceae CARDIAN Carex diandra lesser panicled sedge L3 19-Mar SE Cyperaceae CARDIGI Carex digitalis slender wood sedge L3 16-Apr SE Cyperaceae CARDISP Carex disperma two-seeded sedge L3 21-Jun SE Cyperaceae CARDIVU Carex divulsa ssp. divulsa separated sedge 5 ns ns ns 5 L+ 11-Apr-03 SE Cyperaceae CAREBUR Carex eburnea bristle-leaved sedge L3 21-Jun SE Cyperaceae CARECHI Carex echinata ssp. echinata little prickly sedge L1 16-Apr SE Cyperaceae CARFLAC Carex flacca heath sedge L+ 16-Apr-14 0 SE Cyperaceae CARFLAV Carex flava yellow sedge L3 16-Apr SE Cyperaceae CARFORM Carex formosa handsome sedge L3 19-Mar SE Cyperaceae CARGARB Carex garberi Garber's sedge L2 3-Feb SE Cyperaceae CARGRAE Carex gracilescens rather slender sedge L3 21-Jun SE Cyperaceae CARGRAC Carex gracillima graceful sedge L5 16-Apr SE Cyperaceae CARGRAN Carex granularis meadow sedge L5 16-Apr SE Cyperaceae CARGRAY Carex grayi Gray's sedge L2 21-Jun SE Cyperaceae CARAMPH Carex grisea grey sedge L4 3-Feb SE Cyperaceae CARHIRF Carex hirtifolia hairy wood sedge L4 21-Jun SE Cyperaceae CARHITC Carex hitchcockiana Hitchcock's sedge L4 16-Apr SE Cyperaceae CARHYST Carex hystericina porcupine sedge L4 16-Apr SE Cyperaceae CARINTE Carex interior fen star sedge L3 16-Apr SE Cyperaceae CARINTU Carex intumescens bladder sedge L4 16-Apr SE Cyperaceae CARLACU Carex lacustris lake-bank sedge L4 16-Apr SE Cyperaceae CARX Carex lacustris x trichocarpa hybrid Paludosae sedge L3 27-Feb SE Cyperaceae CARLAEV Carex laevivaginata smooth-sheathed sedge L3 16-Apr SE Cyperaceae CARLASI Carex lasiocarpa slender woolly sedge L2 16-Apr SE Cyperaceae CARLAXC Carex laxiculmis var. laxiculmis spreading wood sedge L3 21-Jun SE Cyperaceae CARLAXI Carex laxiflora loose-flowered sedge L4 16-Apr SE Cyperaceae CARLEPT Carex leptalea bristle-stalked sedge L3 21-Jun SE Cyperaceae CARLEPN Carex leptonervia few-nerved wood sedge L3 16-Apr SE Cyperaceae CARLIMO Carex limosa mud sedge L2 16-Apr SE Cyperaceae CARLUPU Carex lupulina hop sedge L4 16-Apr SE Cyperaceae CARLURI Carex lurida sallow sedge L3 27-Feb SE Cyperaceae CARMAIR Carex magellanica ssp. irrigua stunted sedge L2 16-Apr SE Cyperaceae CARMOLE Carex molesta troublesome sedge L3 16-Apr SE Cyperaceae CARMUHL Carex muehlenbergii var. muehlenbergii Muhlenberg's sedge L3 16-Apr SE Cyperaceae CARNORM Carex normalis tall straw sedge L3 3-Feb SE Cyperaceae CARPALL Carex pallescens pale sedge L3 16-Apr SE Cyperaceae CARPAUC Carex pauciflora few-flowered sedge LX 25-Mar SE Cyperaceae CARPECK Carex peckii Peck's sedge L4 16-Apr SE Cyperaceae CARPEDU Carex pedunculata early-flowering sedge L5 16-Apr SE Cyperaceae CARPELL Carex pellita woolly sedge L4 16-Apr SE Page 3

4 Appendix 2: TRCA Flora Species (Apr 2014 ranks) Local Popn. Hab. Sens. Total Rank Occur. Trend Dep. Dev. Score TRCA Score Family Sp_code Scientific Name Common Name Apr-14 Date Co-efficient of Conservatism Coefficient of Wetness Plant Type Cyperaceae CARPENS Carex pensylvanica Pennsylvania sedge L4 16-Apr SE Cyperaceae CARPLAN Carex plantaginea plantain-leaved sedge L3 16-Apr SE Cyperaceae CARPLAT Carex platyphylla broad-leaved sedge L3 3-Feb SE Cyperaceae CARPRAE Carex praegracilis freeway sedge L+ 26-Mar-08-3 SE Cyperaceae CARPRAI Carex prairea fen panicled sedge L2 16-Apr SE Cyperaceae CARPRAS Carex prasina drooping sedge L2 26-Mar SE Cyperaceae CARPROJ Carex projecta necklace sedge L4 16-Apr SE Cyperaceae CARPSEU Carex pseudocyperus pseudocyperus sedge L4 16-Apr SE Cyperaceae CARRADI Carex radiata straight-styled sedge L5 16-Apr SE Cyperaceae CARRETR Carex retrorsa retrorse sedge L4 16-Apr SE Cyperaceae CARROSE Carex rosea curly-styled sedge L5 16-Apr SE Cyperaceae CARSART Carex sartwellii Sartwell's sedge L2 16-Apr-14 8 SE Cyperaceae CARSCAB Carex scabrata rough sedge L4 21-Jun SE Cyperaceae CARSCHW Carex schweinitzii Schweinitz' sedge L2 3-Feb SE Cyperaceae CARSCOP Carex scoparia pointed broom sedge L3 16-Apr SE Cyperaceae CARSICC Carex siccata hay sedge L3 21-Jun SE Cyperaceae CARSPAR Carex sparganioides bur-reed sedge L4 16-Apr SE Cyperaceae CARSPIC Carex spicata spiked sedge L+ 16-Apr-14 5 SE Cyperaceae CARSPRE Carex sprengelii long-beaked sedge L4 16-Apr SE Cyperaceae CARSTIP Carex stipata awl-fruited sedge L5 16-Apr SE Cyperaceae CARSTRI Carex stricta tussock sedge L4 16-Apr SE Cyperaceae CARSYCH Carex sychnocephala dense long-beaked sedge L3 3-Feb SE Cyperaceae CARTENE Carex tenera straw sedge (sensu lato) L5 16-Apr SE Cyperaceae CARTEEC Carex tenera var. echinodes marsh straw sedge L4 16-Apr-14 4 SE Cyperaceae CARTETE Carex tenera var. tenera straw sedge LU 22-Apr-14 4 SE Cyperaceae CARTENU Carex tenuiflora sparse-flowered sedge L2 27-Feb SE Cyperaceae CARTORU Carex tonsa var. rugosperma red-seeded sedge L3 16-Apr SE Cyperaceae CARTORT Carex torta twisted sedge LX 26-Mar SE Cyperaceae CARTRIB Carex tribuloides blunt broom sedge L4 16-Apr SE Cyperaceae CARTRIC Carex trichocarpa hairy-fruited sedge L3 21-Jun SE Cyperaceae CARTRTR Carex trisperma three-seeded sedge L3 16-Apr SE Cyperaceae CARTUCK Carex tuckermanii Tuckerman's sedge L3 16-Apr SE Cyperaceae CARUTRI Carex utriculata beaked sedge L3 16-Apr SE Cyperaceae CARVESI Carex vesicaria inflated sedge L3 16-Apr SE Cyperaceae CARVIRI Carex viridula ssp. viridula greenish sedge L3 26-Mar SE Cyperaceae CARVULP Carex vulpinoidea fox sedge L5 16-Apr SE Cyperaceae CARWOOD Carex woodii purple-tinged sedge L3 26-Mar SE Betulaceae CARBETU Carpinus betulus European hornbeam L+ 16-Apr-14 TR Betulaceae CARCARO Carpinus caroliniana ssp. virginiana blue beech L4 21-Jun SH Apiaceae CARCARV Carum carvi caraway 5 ns ns ns 5 L+ 11-Apr-03 5 FO Juglandaceae CARCORD Carya cordiformis bitternut hickory L4 21-Jun TR Juglandaceae CAROVAT Carya ovata shagbark hickory L3 3-Feb TR Orobanchaceae CASCOCC Castilleja coccinea Indian paintbrush LX 26-Mar FO Bignoniaceae CATSPEC Catalpa speciosa northern catalpa L+ 16-Apr-14 3 TR Berberidaceae CAUGIGA Caulophyllum giganteum long-styled blue cohosh L4 16-Apr FO Berberidaceae CAUTHAL Caulophyllum thalictroides blue cohosh L3 21-Jun FO Rhamnaceae CEAAMER Ceanothus americanus New Jersey tea L1 3-Feb SH Rhamnaceae CEAHERB Ceanothus herbaceus narrow-leaved New Jersey tea LX 26-Mar SH Celastraceae CELORBI Celastrus orbiculatus oriental bittersweet L+ 16-Apr-14 5 VW Celastraceae CELX Celastrus orbiculatus x scandens hybrid bittersweet L+ 2-Mar-09 5 VW Celastraceae CELSCAN Celastrus scandens American bittersweet L3 16-Apr VW Cannabaceae CELOCCI Celtis occidentalis hackberry L+ 16-Apr TR Poaceae CENLONG Cenchrus longispinus sand-bur 5 ns ns ns 5 L+ 11-Apr-03 5 GR Asteraceae CENCYAN Centaurea cyanus bachelor's button 5 ns ns ns 5 L+ 11-Apr-03 5 FO Asteraceae CENDIFF Centaurea diffusa diffuse knapweed 5 ns ns ns 5 L+ 11-Apr-03 5 FO Asteraceae CENJACE Centaurea jacea brown knapweed L+ 16-Apr-14 5 FO Asteraceae CENNIGR Centaurea nigra black knapweed L+ 16-Apr-14 5 FO Asteraceae CENMACU Centaurea stoebe ssp. micranthos spotted knapweed L+ 16-Apr-14 5 FO Gentianaceae CENPULC Centaurium pulchellum branching centaury L+ 16-Apr-14 4 FO Rubiaceae CEPOCCI Cephalanthus occidentalis buttonbush L3 3-Feb SH Caryophyllaceae CERARAR Cerastium arvense ssp. arvense field chickweed L+ 16-Apr-14 5 FO Caryophyllaceae CERFONT Cerastium fontanum mouse-ear chickweed L+ 16-Apr-14 3 FO Caryophyllaceae CERSEMI Cerastium semidecandrum small chickweed 5 ns ns ns 5 L+ 11-Apr-03 5 FO Caryophyllaceae CERTOME Cerastium tomentosum snow-on-the-mountain L+ 16-Apr-14 5 FO Ceratophyllaceae CERDEME Ceratophyllum demersum coontail L4 16-Apr FO Cercidiphyllaceae CERJAPO Cercidiphyllum japonicum katsura-tree L+ 2-Jun-08 5 TR Rosaceae CHAJAPO Chaenomeles japonica flowering quince 5 ns ns ns 5 L+ 11-Apr-03 5 SH Plantaginaceae CHAMINU Chaenorhinum minus ssp. minus dwarf snapdragon L+ 16-Apr-14 5 FO Ericaceae CHACALY Chamaedaphne calyculata leatherleaf L3 3-Feb SH Onagraceae EPIANGU Chamerion angustifolium ssp. angustifolium fire-weed L3 3-Feb FO Papaveraceae CHEMAJU Chelidonium majus celandine L+ 16-Apr-14 5 FO Plantaginaceae CHEGLAB Chelone glabra turtlehead L3 16-Apr FO Amaranthaceae CHEALBU Chenopodium album lamb's quarters L+ 16-Apr-14 1 FO Amaranthaceae CHEBONU Chenopodium bonus-henricus good King Henry 5 ns ns ns 5 L+ 11-Apr-03 5 FO Amaranthaceae CHECAPI Chenopodium capitatum strawberry-blite L3 16-Apr FO Amaranthaceae CHEGLAU Chenopodium glaucum oak-leaved goosefoot L+ 16-Apr-14-3 FO Amaranthaceae CHERUBR Chenopodium rubrum red goosefoot L+? 27-Mar-08-5 FO Amaranthaceae CHESIMP Chenopodium simplex maple-leaved goosefoot L5 16-Apr FO Ericaceae CHIUMBE Chimaphila umbellata ssp. umbellata pipsissewa L2 16-Apr SH Asteraceae CHRMAXI Chrysanthemum maximum Shasta daisy L+ 16-Apr-14 FO Saxifragaceae CHRAMER Chrysosplenium americanum golden saxifrage L3 3-Feb FO Asteraceae CICINTY Cichorium intybus chicory L+ 16-Apr-14 5 FO Apiaceae CICBULB Cicuta bulbifera bulblet-bearing water-hemlock L4 16-Apr FO Apiaceae CICMACU Cicuta maculata spotted water-hemlock L5 16-Apr FO Poaceae CINARUN Cinna arundinacea tall wood reed L3 16-Apr GR Poaceae CINLATI Cinna latifolia nodding wood reed L4 16-Apr GR Onagraceae CIRALPI Circaea alpina smaller enchanter's nightshade L3 16-Apr FO Onagraceae CIRLUTE Circaea canadensis ssp. canadensis enchanter's nightshade L5 16-Apr FO Asteraceae CIRARVE Cirsium arvense creeping thistle L+ 16-Apr-14 3 FO Asteraceae CIRDISC Cirsium discolor pasture thistle L2 27-Mar FO Asteraceae CIRMUTI Cirsium muticum swamp thistle L1 16-Apr FO Asteraceae CIRVULG Cirsium vulgare bull thistle L+ 16-Apr-14 4 FO Cucurbitaceae CITCOLO Citrullus colocynthis watermelon 5 ns ns ns 5 L+ 11-Apr-03 5 FO Cyperaceae CLAMARI Cladium mariscoides twig-rush L1 21-Jun SE Montiaceae CLACARO Claytonia caroliniana broad-leaved spring beauty L3 3-Feb FO Montiaceae CLAVIRG Claytonia virginica narrow-leaved spring beauty L3 16-Apr FO Ranunculaceae CLEOCCI Clematis occidentalis var. occidentalis purple clematis LX 1-Apr VW Ranunculaceae CLEVIRG Clematis virginiana virgin's bower L5 16-Apr VW Lamiaceae ACIARVE Clinopodium acinos mother-of-thyme L+ 16-Apr-14 5 FO Lamiaceae CLIVULG Clinopodium vulgare wild basil L5 16-Apr FO Liliaceae CLIBORE Clintonia borealis bluebead lily L3 16-Apr FO Lamiaceae COLCANA Collinsonia canadensis richweed L3 1-Apr FO Santalaceae COMUMBE Comandra umbellata comandra L3 27-Feb FO Rosaceae POTPALU Comarum palustre marsh cinquefoil L3 27-Feb FO Commelinaceae COMCOMM Commelina communis Asiatic dayflower 5 ns ns ns 5 L+ 11-Apr-03 0 FO Myricaceae COMPERE Comptonia peregrina sweet-fern L1 1-Apr SH Apiaceae CONMACU Conium maculatum poison-hemlock L+ 16-Apr-14 FO Orobanchaceae CONAMER Conopholis americana squaw-root L1 27-Feb FO Brassicaceae CONORIE Conringia orientalis hare's ear mustard 5 ns ns ns 5 L+ 11-Apr-03 5 FO Ranunculaceae CONAJAC Consolida ajacis larkspur L+ 2-Jun-08 5 FO Page 4

5 Appendix 2: TRCA Flora Species (Apr 2014 ranks) Local Popn. Hab. Sens. Total Rank Occur. Trend Dep. Dev. Score TRCA Score Family Sp_code Scientific Name Common Name Apr-14 Date Co-efficient of Conservatism Coefficient of Wetness Plant Type Asparagaceae CONMAJA Convallaria majalis lily-of-the-valley L+ 16-Apr-14 5 FO Convolvulaceae CONARVE Convolvulus arvensis field bindweed L+ 16-Apr-14 5 VI Ranunculaceae COPTRIF Coptis trifolia goldthread L2 16-Apr FO Orchidaceae CORMACU Corallorhiza maculata spotted coral-root L1 1-Apr FO Orchidaceae CORSTRI Corallorhiza striata striped coral-root LX 3-Apr FO Orchidaceae CORTRIF Corallorhiza trifida early coral-root L1 16-Apr FO Asteraceae CORGRAN Coreopsis grandiflora large-flowered tickseed 5 ns ns ns 5 L+ 11-Apr-03 5 FO Asteraceae CORLANC Coreopsis lanceolata lance-leaved coreopsis L+ 16-Apr FO Asteraceae CORTRIP Coreopsis tripteris tall tickseed L+ 16-Apr-14 9 FO Amaranthaceae CORHYSS Corispermum americanum var. americanum bugseed 5 ns ns ns 5 L+ 11-Apr-03 FO Cornaceae CORALBA Cornus alba Siberian dogwood L+ 2-Jun-08 SH Cornaceae CORALTE Cornus alternifolia alternate-leaved dogwood L5 16-Apr SH Cornaceae CORAMOM Cornus amomum ssp. obliqua silky dogwood L3 16-Apr SH Cornaceae CORCANA Cornus canadensis bunchberry L2 3-Feb SH Cornaceae CORDRUM Cornus drummondii rough-leaved dogwood L+ 2-Jun-08 0 SH Cornaceae CORFOEM Cornus foemina ssp. racemosa grey dogwood L5 16-Apr SH Cornaceae CORMAS Cornus mas Cornelian-cherry L+ 2-Jun-08 SH Cornaceae CORRUGO Cornus rugosa round-leaved dogwood L4 16-Apr SH Cornaceae CORSTOL Cornus stolonifera red osier dogwood L5 16-Apr SH Papaveraceae CORAURE Corydalis aurea ssp. aurea golden corydalis L3 1-Apr FO Papaveraceae CORINTE Corydalis intermedia pink European corydalis L+ 16-Apr-14 5 FO Betulaceae CORAMER Corylus americana American hazel L3 3-Feb SH Betulaceae CORAVEL Corylus avellana European hazel L+ 16-Apr-14 5 SH Betulaceae CORCORN Corylus cornuta beaked hazel L4 21-Jun SH Asteraceae COSBIPI Cosmos bipinnatus cosmos 5 ns ns ns 5 L+ 11-Apr-03 5 FO Anacardiaceae COTCOGG Cotinus coggygria European smoke-tree L+ 16-Apr-14 5 SH Rosaceae COTACUT Cotoneaster acutifolius Peking cotoneaster L+ 16-Apr-14 5 SH Rosaceae COTDAMM Cotoneaster dammeri bearberry cotoneaster L+ 16-Apr-14 SH Rosaceae CRABRAI Crataegus brainerdii Brainerd's hawthorn L2 24-Apr-14 4 SH Rosaceae CRACALP Crataegus calpodendron urn-fruited hawthorn LX 2-Apr SH Rosaceae CRACHRY Crataegus chrysocarpa fireberry hawthorn (sensu lato) L3 3-Feb SH Rosaceae CRACHCH Crataegus chrysocarpa var. chrysocarpa fireberry hawthorn L3 3-Feb SH Rosaceae CRACHAB Crataegus chrysocarpa var. phoenica glabrate fireberry hawthorn L3 16-Apr SH Rosaceae CRAPEDI Crataegus coccinea var. coccinea scarlet hawthorn L4 16-Apr TR Rosaceae CRACORU Crataegus coccinea var. fulleriana Fuller's hawthorn L3 16-Apr SH Rosaceae CRAPRIN Crataegus coccinea var. pringlei Pringle's hawthorn L3 16-Apr SH Rosaceae CRACONS Crataegus coccinioides conspecta hawthorn LX 2-Apr SH Rosaceae CRACRUS Crataegus crus-galli cockspur hawthorn L2 3-Feb TR Rosaceae CRADODG Crataegus dodgei Dodge's hawthorn LX 2-Apr SH Rosaceae CRAFLAB Crataegus flabellata fan-leaved hawthorn L3 2-Apr SH Rosaceae CRAAPIO Crataegus fluviatilis pear-shaped hawthorn L2 3-Feb SH Rosaceae CRAHOLM Crataegus holmesiana Holmes' hawthorn L4 21-Jun SH Rosaceae CRAINTR Crataegus intricata Lang's hawthorn LX 2-Apr SH Rosaceae CRAMACA Crataegus macracantha long-spined hawthorn L4 16-Apr SH Rosaceae CRAMACO Crataegus macrosperma variable hawthorn L3 27-Feb SH Rosaceae CRAMOLL Crataegus mollis downy hawthorn L+? 2-Jun SH Rosaceae CRAMONO Crataegus monogyna English hawthorn L+ 16-Apr-14 5 TR Rosaceae CRAX Crataegus monogyna x punctata English - dotted hybrid hawthorn L+ 16-Apr-14 5 SH Rosaceae CRACOMP Crataegus populnea adorned hawthorn LX 2-Apr SH Rosaceae CRAPRUI Crataegus pruinosa waxy hawthorn L3 2-Apr SH Rosaceae CRAPUNC Crataegus punctata dotted hawthorn L5 16-Apr TR Rosaceae CRASCHU Crataegus schuettei rough hawthorn L3 3-Feb SH Rosaceae CRASUBM Crataegus submollis Emerson's hawthorn L4 16-Apr SH Rosaceae CRASUCC Crataegus succulenta fleshy hawthorn L3 3-Feb SH Asteraceae CRETECT Crepis tectorum narrow-leaved hawk's beard L+ 16-Apr-14 5 FO Iridaceae CROVERN Crocus vernus crocus L+ 16-Apr-14 5 FO Apiaceae CRYCANA Cryptotaenia canadensis honewort L5 16-Apr FO Apiaceae CRYJAPO Cryptotaenia japonica Asiatic honewort L+ 21-Jun-12 FO Cucurbitaceae CUCMELO Cucumis melo melon L+ 16-Apr-14 5 FO Cucurbitaceae CUCSATI Cucumis sativus cucumber L+ 16-Apr-14 5 FO Cucurbitaceae CUCMAXI Cucurbita pepo ssp. pepo gourd L+ 3-Feb-12 5 FO Convolvulaceae CUSCAMP Cuscuta campestris prairie dodder L+? 22-Apr FO Convolvulaceae CUSGRON Cuscuta gronovii swamp dodder L4 16-Apr FO Asteraceae IVAXANT Cyclachaena xanthiifolia marsh-elder 5 ns ns ns 5 L+ 11-Apr-03 5 FO Amaranthaceae CYCATRI Cycloloma atriplicifolium winged pigweed L+ 7-Mar FO Plantaginaceae CYMMURA Cymbalaria muralis Kenilworth-ivy L+ 16-Apr-14 5 FO Apocynaceae CYNNIGR Cynanchum louiseae black swallow-wort L+ 16-Apr-14 5 VI Apocynaceae CYNROSS Cynanchum rossicum dog-strangling vine L+ 16-Apr-14 5 VI Poaceae CYNDACT Cynodon dactylon Bermuda grass 5 ns ns ns 5 L+ 11-Apr-03 GR Boraginaceae CYNOFFI Cynoglossum officinale hound's tongue L+ 16-Apr-14 5 FO Boraginaceae CYNBORE Cynoglossum virginianum var. boreale northern hound's tongue LX 3-Apr FO Poaceae CYNCRIS Cynosurus cristatus dog-tail 5 ns ns ns 5 L+ 11-Apr-03 0 GR Cyperaceae CYPBIPA Cyperus bipartitus two-parted umbrella-sedge L3 16-Apr SE Cyperaceae CYPDIAN Cyperus diandrus low umbrella-sedge LX 2-Apr SE Cyperaceae CYPERYT Cyperus erythrorhizos red-rooted umbrella sedge L3 3-Feb SE Cyperaceae CYPESCU Cyperus esculentus yellow nut-sedge L+? 16-Apr SE Cyperaceae CYPFUSC Cyperus fuscus brown umbrella-sedge L+ 16-Apr-14-5 SE Cyperaceae CYPLUPU Cyperus lupulinus slender umbrella-sedge L3 16-Apr SE Cyperaceae CYPODOR Cyperus odoratus fragrant umbrella-sedge L3 2-Apr SE Cyperaceae CYPSCHW Cyperus schweinitzii Schweinitz's umbrella-sedge L2 21-Jun SE Cyperaceae CYPSTRI Cyperus strigosus straw-coloured umbrella-sedge L3 16-Apr SE Orchidaceae CYPACAU Cypripedium acaule moccasin flower L1 16-Apr FO Orchidaceae CYPARIE Cypripedium arietinum ram's head lady's slipper LX 3-Apr FO Orchidaceae CYPCAPA Cypripedium parviflorum var. makasin smaller yellow lady's slipper L3 16-Apr FO Orchidaceae CYPCAPU Cypripedium parviflorum var. pubescens larger yellow lady's slipper L3 16-Apr FO Orchidaceae CYPREGI Cypripedium reginae showy lady's slipper L2 21-Jun FO Woodsiaceae CYSBULB Cystopteris bulbifera bulblet fern L4 21-Jun FE Woodsiaceae CYSFRAG Cystopteris fragilis northern fragile fern LU 8-Apr FE Woodsiaceae CYSTENU Cystopteris tenuis Mackay's fragile fern L3 21-Jun FE Fabaceae CYTSCOP Cytisus scoparius Scotch broom 5 ns ns ns 5 L+ 11-Apr-03 5 SH Poaceae DACGLOM Dactylis glomerata orchard grass L+ 16-Apr-14 3 GR Orchidaceae COEVIRI Dactylorhiza viridis bracted green orchid LX 3-Apr FO Poaceae DANSPIC Danthonia spicata poverty oat grass L4 16-Apr GR Thymelaeaceae DAPMEZE Daphne mezereum daphne L+ 16-Apr-14 0 SH Solanaceae DATWRIG Datura inoxia big-flowered jimsonweed 5 ns ns ns 5 L+ 11-Apr-03 0 FO Solanaceae DATSTRA Datura stramonium jimsonweed 5 ns ns ns 5 L+ 11-Apr-03 5 FO Apiaceae DAUCARO Daucus carota Queen Anne's lace L+ 16-Apr-14 5 FO Lythraceae DECVERT Decodon verticillatus swamp loosestrife L2 16-Apr FO Dennstaedtiaceae DENPUNC Dennstaedtia punctilobula hay-scented fern L2 3-Apr FE Woodsiaceae DEPACRO Deparia acrostichoides silvery glade fern L3 21-Jun FE Poaceae DESFLEX Deschampsia flexuosa common hairgrass L2 3-Apr GR Brassicaceae DESPINN Descurainia pinnata ssp. brachycarpa tansy mustard L+ 16-Apr-14 5 FO Brassicaceae DESSOPH Descurainia sophia flixweed L+ 16-Apr-14 5 FO Fabaceae DESCANA Desmodium canadense showy tick-trefoil L5 16-Apr FO Fabaceae DESPADI Desmodium dillenii panicled tick-trefoil LX 16-Apr FO Fabaceae DESGLUT Desmodium glutinosum pointed-leaved tick-trefoil L3 21-Jun FO Fabaceae DESNUDI Desmodium nudiflorum naked-flowered tick-trefoil L1 3-Apr FO Caryophyllaceae DIAARME Dianthus armeria Deptford pink L+ 16-Apr-14 5 FO Caryophyllaceae DIABARB Dianthus barbatus sweet William L+ 16-Apr-14 5 FO Caryophyllaceae DIADELT Dianthus deltoides maiden pink 5 ns ns ns 5 L+ 11-Apr-03 5 FO Page 5

6 Appendix 2: TRCA Flora Species (Apr 2014 ranks) Local Popn. Hab. Sens. Total Rank Occur. Trend Dep. Dev. Score TRCA Score Family Sp_code Scientific Name Common Name Apr-14 Date Co-efficient of Conservatism Coefficient of Wetness Plant Type Papaveraceae DICCANA Dicentra canadensis squirrel-corn L3 3-Feb FO Papaveraceae DICCUCU Dicentra cucullaria Dutchman's breeches L3 3-Feb FO Papaveraceae DICSPEC Dicentra spectabilis bleeding hearts L+ 16-Apr-14 5 FO Poaceae PANACAC Dichanthelium acuminatum ssp. acuminatum hairy panic grass L4 16-Apr GR Poaceae PANCOLU Dichanthelium acuminatum ssp. implicatum Columbia panic grass L3 27-Feb GR Poaceae PANACLI Dichanthelium acuminatum ssp. lindheimeri Lindheimer's panic grass L2 3-Feb GR Poaceae PANLATI Dichanthelium latifolium broad-leaved panic grass L2 16-Apr GR Poaceae PANLINE Dichanthelium linearifolium narrow-leaved panic grass L2 7-Mar GR Poaceae PANOLIG Dichanthelium oligosanthes ssp. oligosanthes few-flowered panic grass L2 11-Apr GR Poaceae PANVILL Dichanthelium ovale ssp. villosissimum hairy panic grass LX 17-Apr GR Poaceae PANPERL Dichanthelium perlongum long-stalked panic grass L2 3-Feb GR Poaceae PANXANT Dichanthelium xanthophysum yellow panic grass L2 17-Apr GR Caprifoliaceae DIELONI Diervilla lonicera bush honeysuckle L4 16-Apr SH Plantaginaceae DIGLANA Digitalis lanata Grecian foxglove L+ 16-Apr-14 5 FO Poaceae DIGISCH Digitaria ischaemum smooth crab grass L+ 16-Apr-14 3 GR Poaceae DIGSANG Digitaria sanguinalis hairy crab grass L+ 16-Apr-14 3 GR Lycopodiaceae DIPDIGI Diphasiastrum digitatum crowfoot club-moss L3 16-Apr FE Lycopodiaceae DIPTRIS Diphasiastrum tristachyum ground-cedar L1 3-Apr FE Woodsiaceae DIPPYCN Diplazium pycnocarpon glade fern L2 27-Feb FE Brassicaceae DIPMURA Diplotaxis muralis wall rocket L+ 16-Apr-14 5 FO Brassicaceae DIPTENU Diplotaxis tenuifolia slender-leaved wall rocket L+ 16-Apr-14 5 FO Caprifoliaceae DIPFULL Dipsacus fullonum teasel L+ 16-Apr-14 5 FO Thymelaeaceae DIRPALU Dirca palustris leatherwood L3 16-Apr SH Asteraceae ASTUMBE Doellingeria umbellata var. umbellata flat-topped aster L3 16-Apr FO Brassicaceae EROVERN Draba verna spring whitlow-grass 5 ns ns ns 5 L+ 11-Apr-03 5 FO Lamiaceae DRAPARV Dracocephalum parviflorum American dragonhead 5 ns ns ns 5 L+ 11-Apr-03 3 FO Droseraceae DROINTE Drosera intermedia spatulate-leaved sundew LX 3-Apr FO Droseraceae DROROTU Drosera rotundifolia round-leaved sundew L1 16-Apr FO Rosaceae POTARGU Drymocallis arguta tall cinquefoil L3 21-Apr FO Dryopteridaceae DRYCART Dryopteris carthusiana spinulose wood fern L5 16-Apr FE Dryopteridaceae DRYCLIN Dryopteris clintoniana Clinton's wood fern L3 16-Apr FE Dryopteridaceae DRYCRIS Dryopteris cristata crested wood fern L4 16-Apr FE Dryopteridaceae DRYFILI Dryopteris filix-mas male fern L3 21-Jun FE Dryopteridaceae DRYGOLD Dryopteris goldiana Goldie's fern L2 3-Apr FE Dryopteridaceae DRYINTE Dryopteris intermedia evergreen wood fern L4 16-Apr FE Dryopteridaceae DRYMARG Dryopteris marginalis marginal wood fern L4 16-Apr FE Dryopteridaceae DRYXBEN Dryopteris x benedictii Benedict's wood fern L3 3-Feb FE Dryopteridaceae DRYXBOO Dryopteris x boottii Boott's wood fern 5 ns ns ns 5 LH 11-Apr FE Dryopteridaceae DRYXDOW Dryopteris x dowellii Dowell's wood fern 5 ns ns ns 5 LH 11-Apr FE Dryopteridaceae DRYXNEO Dryopteris x neowherryi Goldie's - marginal hybrid wood fern 5 ns ns ns 5 LH 11-Apr-03 6 FE Dryopteridaceae DRYXSLO Dryopteris x slossoniae Slosson's wood fern 5 ns ns ns 5 LH 11-Apr-03 6 FE Dryopteridaceae DRYXTRI Dryopteris x triploidea confusing hybrid wood fern L4 16-Apr FE Dryopteridaceae DRYXULI Dryopteris x uliginosa spinulose-crested hybrid wood fern L2 22-Apr FE Rosaceae DUCINDI Duchesnea indica var. indica mock strawberry L+ 16-Apr-14 4 FO Cyperaceae DULARUN Dulichium arundinaceum three-way sedge L2 3-Feb SE Amaranthaceae CHEBOTR Dysphania botrys Jerusalem-oak 5 ns ns ns 5 L+ 11-Apr-03 4 FO Asteraceae ECHPURP Echinacea purpurea purple coneflower L+ 16-Apr-14 5 FO Poaceae ECHCRUS Echinochloa crus-galli barnyard grass L+ 16-Apr-14-3 GR Poaceae ECHMICR Echinochloa muricata var. microstachya small-spiked barnyard grass L5 16-Apr GR Cucurbitaceae ECHLOBA Echinocystis lobata wild cucumber L5 16-Apr VI Asteraceae ECHSPHA Echinops sphaerocephalus common globe-thistle L+ 16-Apr-14 5 FO Boraginaceae ECHVULG Echium vulgare viper's bugloss L+ 16-Apr-14 5 FO Pontederiaceae EICCRAS Eichhornia crassipes water-hyacinth L+ 2-Jun-08-5 FO Elaeagnaceae ELAANGU Elaeagnus angustifolia Russian olive L+ 16-Apr-14 4 SH Elaeagnaceae ELACOMM Elaeagnus commutata silver-berry L+ 16-Apr SH Elaeagnaceae ELAUMBE Elaeagnus umbellata autumn olive L+ 16-Apr-14 3 SH Cyperaceae ELEACIC Eleocharis acicularis needle spike-rush L3 16-Apr SE Cyperaceae ELEELLI Eleocharis elliptica elliptic spike-rush L2 27-Feb SE Cyperaceae ELEERYT Eleocharis erythropoda creeping spike-rush L5 16-Apr SE Cyperaceae ELEOLIV Eleocharis flavescens var. olivacea olive-fruited spike-rush L1 27-Feb SE Cyperaceae ELEINTE Eleocharis intermedia matted spike-rush L2 21-Jun SE Cyperaceae ELEOBTU Eleocharis obtusa blunt spike-rush L3 16-Apr SE Cyperaceae ELESMAL Eleocharis palustris Small's spike-rush L3 16-Apr SE Cyperaceae ELEPAUC Eleocharis quinqueflora few-flowered spike-rush L2 4-Apr SE Poaceae ELEINDI Eleusine indica goose grass 5 ns ns ns 5 L+ 11-Apr-03 3 GR Hydrocharitaceae ELOCANA Elodea canadensis common water-weed L4 16-Apr FO Hydrocharitaceae ELONUTT Elodea nuttallii Nuttall's water-weed L3 16-Apr FO Poaceae ELYCANA Elymus canadensis Canada wild rye L4 16-Apr GR Poaceae ELYHYST Elymus hystrix bottle-brush grass L4 16-Apr GR Poaceae ELYREPE Elymus repens quack grass L+ 16-Apr-14 3 GR Poaceae ELYRIPA Elymus riparius riverbank wild rye L4 16-Apr GR Poaceae ELYTRAC Elymus trachycaulus slender wheat grass L2 4-Apr GR Poaceae ELYVILL Elymus villosus hairy wild rye L2 3-Feb GR Poaceae ELYVIRG Elymus virginicus var. virginicus Virginia wild rye L5 16-Apr GR Poaceae ELYWIEG Elymus wiegandii Wiegand's wild rye L3 4-Apr GR Orobanchaceae EPIVIRG Epifagus virginiana beech-drops L4 21-Jun FO Ericaceae EPIREPE Epigaea repens trailing arbutus LX 22-Apr SH Onagraceae EPICICI Epilobium ciliatum ssp. ciliatum sticky willow-herb L5 16-Apr FO Onagraceae EPICOLO Epilobium coloratum purple-leaved willow-herb L5 16-Apr FO Onagraceae EPIHIRS Epilobium hirsutum European willow-herb L+ 16-Apr-14-4 FO Onagraceae EPILEPT Epilobium leptophyllum narrow-leaved willow-herb L3 7-Apr FO Onagraceae EPIPARV Epilobium parviflorum small-flowered willow-herb L+ 16-Apr-14 3 FO Onagraceae EPISTRI Epilobium strictum downy willow-herb L3 16-Apr FO Orchidaceae EPIHELL Epipactis helleborine helleborine L+ 16-Apr-14 5 FO Equisetaceae EQUARVE Equisetum arvense field horsetail L5 16-Apr FE Equisetaceae EQUFLUV Equisetum fluviatile water horsetail L3 21-Jun FE Equisetaceae EQUHYEM Equisetum hyemale ssp. affine scouring-rush L5 16-Apr FE Equisetaceae EQUPALU Equisetum palustre marsh horsetail L1 7-Apr FE Equisetaceae EQUPRAT Equisetum pratense thicket horsetail L3 16-Apr FE Equisetaceae EQUSCIR Equisetum scirpoides dwarf scouring-rush L3 16-Apr FE Equisetaceae EQUSYLV Equisetum sylvaticum woodland horsetail L3 16-Apr FE Equisetaceae EQUVARI Equisetum variegatum ssp. variegatum variegated scouring-rush L4 16-Apr FE Equisetaceae EQUXLIT Equisetum x litorale shore horsetail L3 27-Feb-12 7 FE Equisetaceae EQUXMAC Equisetum x mackaii Mack's horsetail L3 16-Apr FE Equisetaceae EQUXNEL Equisetum x nelsonii Nelson's horsetail L3 27-Feb FE Poaceae ERACILI Eragrostis cilianensis stink grass 5 ns ns ns 5 L+ 11-Apr-03 3 GR Poaceae ERAFRAN Eragrostis frankii Frank's love grass L+? 16-Apr GR Poaceae ERAHYPN Eragrostis hypnoides moss-like love grass L3 3-Feb GR Poaceae ERAMINO Eragrostis minor little love grass L+ 16-Apr-14 5 GR Poaceae ERAPECT Eragrostis pectinacea var. pectinacea tufted love grass L+? 16-Apr GR Poaceae ERASPEC Eragrostis spectabilis purple love grass L+? 21-Jun GR Asteraceae EREHIER Erechtites hieraciifolius var. hieraciifolius burnweed L2 3-Feb FO Apiaceae ERIBULB Erigenia bulbosa harbinger-of-spring LX 7-Apr FO Asteraceae ERIANNU Erigeron annuus daisy fleabane L5 16-Apr FO Asteraceae CONCANA Erigeron canadensis horse-weed L5 16-Apr FO Asteraceae ERIPHIL Erigeron philadelphicus var. philadelphicus Philadelphia fleabane L5 16-Apr FO Asteraceae ERIPULC Erigeron pulchellus Robin's plantain L2 3-Feb FO Asteraceae ERISTRI Erigeron strigosus rough fleabane L5 16-Apr FO Cyperaceae ERIGRAC Eriophorum gracile slender cotton-grass L1 7-Apr SE Cyperaceae ERITENE Eriophorum tenellum rough cotton-grass L1 3-Feb SE Page 6