Fort Collins Natural Areas

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A
- Acanthus >
  - Justicia
- Agave >
  - Agave
  - Camassia
  - Dasylirion
  - Hesperaloe
  - Hesperocallis
  - Leucocrinum
  - Yucca
- Amaranth >
  - Allenrolfea
  - Atriplex
  - Bassia
  - Chenopodium
  - Froelichia
  - Grayia
  - Krascheninnikovia
  - Salsola
  - Suaeda
  - Tidestromia
- Amaryllis >
  - Narcissus
  - Nothoscordum
- Arum >
- Asparagus >
  - Asparagus
- Asphodel >
  - Kniphofia
- Aster-1 >
  - Agoseris
  - Atrichoseris
  - Calycoseris
  - Cichorium
  - Crepis
  - Hieracium
  - Lactuca
  - Lygodesmia
  - Malacothrix
  - Microseris
  - Nothocalais
  - Rafinesquia
  - Scorzonera
  - Sonchus
  - Stephanomeria
  - Taraxacum
  - Tragopogon
  - Uropappus
- Aster-2 >
  - Achillea
  - Bidens
  - Blepharipappus
  - Chaetopappa
  - Conyza
  - Cosmos
  - Dieteria
  - Echinacea
  - Erigeron
  - Eriophyllum
  - Eucephalus
  - Galinsoga
  - Gnaphalium
  - Hymenopappus
  - Leucanthemum
  - Machaeranthera
  - Melampodium
  - Monoptilon
  - Nicolletia
  - Parthenium
  - Perityle
  - Symphyotrichum
  - Tanacetum
  - Townsendia
  - Tripleurospermum
  - Xylorhiza
  - Zinnia
- Aster 3.1 >
  - Achillea
  - Amauriopsis
  - Arnica
  - Bahia
  - Baileya
  - Balsamorhiza
  - Berlandiera
  - Bidens
  - Coreopsis
  - Dyssodia
  - Encelia
  - Ericameria
  - Eriophyllum
- Aster 3.2 >
  - Gaillardia
  - Geraea
  - Grindelia
  - Gutierrezia
  - Helianthella
  - Helianthus
  - Heliomeris
  - Heliopsis
  - Heterotheca
  - Hymenoxys
  - Lagophylla
  - Lasthenia
  - Ligularia
  - Madia
- Aster 3.3 >
- Aster 3.4 >
  - Senecio
  - Solidago
  - Stenotus
  - Tetraneuris
  - Thelesperma
  - Thymophylla
  - Tonestus
  - Verbesina
  - Viguiera
  - Wyethia
  - Xanthisma
  - Zinnia
- Aster-4 >
  - Ambrosia
  - Anaphalis
  - Antennaria
  - Arctium
  - Arnica
  - Artemisia
  - Brickellia
  - Carduus
  - Centaurea
  - Chaenactis
  - Cirsium
  - Dimeresia
  - Encelia
  - Ericameria
  - Erigeron
  - Eucephalus
  - Hymenopappus
  - Liatris
  - Matricaria
  - Psathyrotes
  - Pseudognaphalium
  - Rhaponticum
  - Rudbeckia
  - Senecio
  - Tanacetum
  - Thelesperma
  - Trixis
  - Xanthium
B
- Barberry >
- Beech >
  - Quercus
- Bellflower >
- Bellwort >
  - Uvularia
- Bignonia >
  - Catalpa
  - Chilopsis
  - Tecoma
- Birch >
  - Alnus
- Bittersweet >
  - Mortonia
- Bladderwort >
  - Utricularia
- Borage >
  - Amsinckia
  - Asperugo
  - Cryptantha
  - Cynoglossum
  - Eritrichium
  - Hackelia
  - Heliotropium
  - Johnstonella
  - Lappula
  - Lithospermum
  - Mertensia
  - Nama
  - Myosotis
  - Oreocarya
  - Pholisma
  - Plagiobothrys
  - Tiquilia
- Brodiaea >
  - Dichelostemma
  - Triteleia
- Broomrape >
- Buckthorn >
  - Ceanothus
  - Rhamnus
- Buckwheat >
  - Bistorta
  - Eriogonum
  - Oxyria
  - Persicaria
  - Polygonum
  - Rumex
- Butcher's-Broom >
  - Maianthemum
  - Nolina
- Buttercup >
  - Aconitum
  - Actaea
  - Anemone
  - Anemonella
  - Aquilegia
  - Caltha
  - Ceratocephala
  - Clematis
  - Cyrtorhyncha
  - Delphinium
  - Pulsatilla
  - Ranunculus
  - Thalictrum
  - Trollius
C
- Cactus >
- Caltrop >
  - Fagonia
  - Guaiacum
  - Kallstroemia
  - Larrea
  - Tribulus
- Carpetweed >
  - Mollugo
- Cattail >
  - Typha
- Cleome >
  - Peritoma
  - Polanisia
- Clubmoss >
  - Diphasiastrum
- Currant >
  - Ribes
- Cypress >
  - Juniperus
D
- Dogbane >
  - Amsonia
  - Apocynum
  - Asclepias
  - Funastrum
- Dogwood >
  - Cornus
E
- Elm >
  - Ulmus
- Empress tree >
  - Paulownia
- Ephedra >
  - Ephedra
- Evening-primrose >
  - Chamaenerion
  - Chylismia
  - Circaea
  - Clarkia
  - Epilobium
  - Eremothera
  - Eulobus
  - Gayophytum
  - Oenothera
  - Taraxia
F
- False-hellebore >
- Fig-marigold >
  - Carpobrotus
- Figwort >
- Flax >
  - Linum
- Four o'clock >
  - Abronia
  - Allionia
  - Boerhavia
  - Mirabilis
- Fumitory >
G
- Gentian >
  - Comastoma
  - Eustoma
  - Frasera
  - Gentiana
  - Gentianella
  - Gentianopsis
  - Swertia
- Geranium >
  - Erodium
  - Geranium
- Ginseng >
  - Aralia
- Gourd >
- Grape >
  - Parthenocissus
  - Vitis
- Grass >
  - Achnatherum
  - Agropyron
  - Alopecurus
  - Andropogon
  - Aristida
  - Bouteloua
  - Bromopsis
  - Bromus
  - Buchloe
  - Dactylis
  - Dichanthelium
  - Elymus
  - Festuca
  - Hesperostipa
  - Hordeum
  - Lolium
  - Muhlenbergia
  - Panicum
  - Phragmites
  - Poa
  - Polypogon
  - Sorghastrum
  - Spartina
  - Thinopyrum
- Grass-of-Parnassus >
  - Parnassia
H
- Heath >
  - Arbutus
  - Arctostaphylos
  - Chimaphila
  - Gaultheria
  - Kalmia
  - Ledum
  - Menziesia
  - Moneses
  - Monotropa
  - Orthilia
  - Phyllodoce
  - Pterospora
  - Pyrola
  - Rhododendron
  - Sarcodes
  - Vaccinium
- Honeysuckle >
- Hop >
  - Humulus
- Horsetail >
  - Equisetum
- Hyacinth >
  - Muscari
- Hydrangea >
  - Fendlera
  - Jamesia
I
- Iris >
  - Chasmanthe
  - Iris
  - Nemastylis
  - Olsynium
  - Sisyrinchium
L
- Lichen >
- Lily >
  - Calochortus
  - Camassia
  - Clintonia
  - Erythronium
  - Fritillaria
  - Lilium
  - Lloydia
  - Prosartes
  - Streptopus
- Lizardtail >
  - Anemopsis
- Loasa >
- Lopseed >
  - Mimulus
M
- Madder >
- Mallow >
  - Abutilon
  - Allowissadula
  - Bastardia
  - Eremalche
  - Hibiscus
  - Iliamna
  - Malva
  - Sidalcea
  - Sphaeralcea
- Malpighia >
  - Janusia
- Mignonette >
  - Reseda
- Milkwort >
  - Polygala
- Miner's lettuce >
  - Calyptridium
  - Claytonia
  - Lewisia
  - Montia
- Mint >
  - Agastache
  - Ajuga
  - Hedeoma
  - Hyptis
  - Lamium
  - Leonurus
  - Lycopus
  - Marrubium
  - Mentha
  - Monarda
  - Monardella
  - Nepeta
  - Perovskia
  - Prunella
  - Salvia
  - Scuttelaria
  - Stachys
  - Teucrium
- Mistletoe >
  - Phoradendron
- Morning glory >
- Moschatel >
  - Sambucus
  - Viburnum
- Moss >
- Mushroom
- Mustard 1 (genus A to D) >
  - Alliaria
  - Alyssum
  - Arabis
  - Barbarea
  - Berteroa
  - Boechera
  - Brassica
  - Cakile
  - Camelina
  - Capsella
  - Cardamine
  - Chorispora
  - Conringia
  - Descurainia
  - Dimorphocarpa
  - Dithyrea
  - Draba
  - Dryopetalon
- Mustard 2 (genus E to Z) >
  - Erysimum
  - Hesperidanthus
  - Hesperis
  - Lepidium
  - Nasturtium
  - Nerisyrenia
  - Noccaea
  - Physaria
  - Rorippa
  - Schoenocrambe
  - Selenia
  - Sinapis
  - Sisymbrium
  - Smelowskia
  - Stanleya
  - Streptanthus
  - Strigosella
  - Thlaspi
  - Turritis
N
- Nettle >
  - Urtica
- Nightshade >
  - Chamaesaracha
  - Datura
  - Hyoscyamus
  - Lycium
  - Nicotiana
  - Physalis
  - Quincula
  - Solanum
O
- Ocotillo >
  - Fouquieria
- Oleaster >
  - Elaeagnus
  - Shepherdia
- Olive >
  - Chionanthus
  - Forestiera
  - Forsythia
  - Fraxinus
  - Menodora
  - Syringa
- Onion >
  - Allium
- Orchid >
  - Calypso
  - Coeloglossum
  - Corallorhiza
  - Cypripedium
  - Epipactis
  - Galearis
  - Goodyera
  - Listera
  - Orchis
  - Piperia
  - Platanthera
  - Spiranthes
P
- Palm >
  - Washingtonia
- Parsley >
  - Angelica
  - Carum
  - Cicuta
  - Conioselinum
  - Conium
  - Cymopterus
  - Harbouria
  - Heracleum
  - Ligusticum
  - Lomatium
  - Musineon
  - Oreoxis
  - Orogenia
  - Osmorhiza
  - Oxypolis
  - Perideridia
  - Sium
  - Sphenosciadium
  - Vesper
  - Zizia
- Pea 1 (genus A to H) >
  - Acacia
  - Acmispon
  - Amorpha
  - Astragalus
  - Caesalpinia
  - Calliandra
  - Caragana
  - Cercis
  - Dalea
  - Glycyrrhiza
  - Hedysarum
  - Hoffmannseggia
- Pea 2 (genus I to Z) >
  - Lathyrus
  - Lotus
  - Lupinus
  - Marina
  - Medicago
  - Melilotus
  - Mimosa
  - Oxytropis
  - Parkinsonia
  - Pediomelum
  - Psoralidium
  - Robinia
  - Securigera
  - Senna
  - Sophora
  - Thermopsis
  - Trifolium
  - Vicia
  - Wisteria
- Phlox >
  - Aliciella
  - Collomia
  - Eriastrum
  - Gilia
  - Giliastrum
  - Ipomopsis
  - Langloisia
  - Leptosiphon
  - Linanthus
  - Microsteris
  - Navarretia
  - Phlox
  - Polemonium
- Pine >
  - Abies
  - Picea
  - Pinus
  - Pseudostuga
- Pineapple >
  - Hechtia
- Pink >
  - Arenaria
  - Cerastium
  - Dianthus
  - Eremogone
  - Minuartia
  - Paronychia
  - Pseudostellaria
  - Saponaria
  - Silene
  - Spergularia
  - Stellaria
- Pitcher-plant >
  - Darlingtonia
- Plantain >
  - Besseya
  - Chionophila
  - Collinsia
  - Linaria
  - Maurandya
  - Mohavea
  - Nuttallanthus
  - Penstemon
  - Plantago
  - Veronica
- Pondlily >
  - Nuphar
- Poppy >
- Primrose >
- Purslane >
  - Portulaca
R
- Ratany >
  - Krameria
- Rose >
  - Agrimonia
  - Amelanchier
  - Cercocarpus
  - Chamaebatiaria
  - Coleogyne
  - Cotoneaster
  - Crataegus
  - Dasiphora
  - Dryas
  - Drymocallis
  - Fallugia
  - Fragaria
  - Geum
  - Holodiscus
  - Horkelia
  - Ivesia
  - Malus
  - Oreobatus
  - Physocarpus
  - Potentilla
  - Prunus
  - Purshia
  - Pyrus
  - Rosa
  - Rubus
  - Sibbaldia
  - Spiraea
- Rue >
  - Ptelea
- Rush >
  - Juncus
S
- Saint Johnswort >
  - Hypericum
- Sandalwood >
  - Comandra
- Saxifrage >
  - Heuchera
  - Lithophragma
  - Micranthes
  - Mitella
  - Saxifraga
  - Telesonix
  - Tellima
  - Tiarella
- Sedge >
- Soapberry >
  - Acer
  - Aesculus
- Spiderwort >
  - Tradescantia
- Spurge >
  - Croton
  - Euphorbia
  - Jatropha
  - Tragia
- Star-grass >
  - Hypoxis
- Stonecrop >
  - Rhodiola
  - Sedum
- Storax >
  - Halesia
- Sumac >
  - Rhus
  - Toxicodendron
- Sweetshrub >
  - Calycanthus
T
- Tamarisk >
  - Tamarix
- Teasel >
  - Dipsacus
- Tree-of-heaven >
  - Castela
- Trillium >
  - Trillium
U
- Unicorn >
  - Proboscidea
V
- Valerian >
  - Plectritis
  - Valeriana
- Vervain >
  - Aloysia
  - Glandularia
  - Phyla
  - Verbena
- Violet >
  - Viola
W
- Water-clover >
  - Marsilea
- Waterleaf >
  - Hydrophyllum
  - Nama
  - Nemophila
  - Phacelia
- Water-plantain >
  - Sagittaria
- Willow >
  - Populus
  - Salix
- Wood fern >
  - Dryopteris
- Woodsorrel >
  - Oxalis
Illustrated glossary