Vascular Plants of Washington County, Oregon
Generated from PNW Herbaria database
November 28, 2020.
101 family names
410 genus names
933 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
{an additional 477 species/infraspecies are to be expected based on presence in one of these adjacent counties: Columbia, Yamhill; these names are colored gray and enclosed in braces}
Index to Families:
Ferns:
A,
B,
C,
D,
E,
I,
L,
O,
P,
S,
T
Dicots:
A,
B,
C,
D,
E,
F,
G,
H,
J,
L,
M,
N,
O,
P,
R,
S,
T,
U,
V
Apiaceae: Angelica,
Anthriscus,
Caucalis,
Centella,
Chaerophyllum,
Cicuta,
Conium,
Cyclospermum,
Daucus,
Heracleum,
Ligusticum,
Lomatium,
Myrrhis,
Oenanthe,
Osmorhiza,
Pastinaca,
Perideridia,
Sanicula,
Scandix,
Sium,
Torilis,
Zizia
Asteraceae: Achillea,
Adenocaulon,
Agoseris,
Ambrosia,
Anaphalis,
Antennaria,
Anthemis,
Arctium,
Arnica,
Artemisia,
Baccharis,
Balsamorhiza,
Bellis,
Bidens,
Boltonia,
Canadanthus,
Centaurea,
Chaenactis,
Cichorium,
Cirsium,
Crepis,
Crocidium,
Doronicum,
Ericameria,
Erigeron,
Eriophyllum,
Eurybia,
Euthamia,
Galinsoga,
Gamochaeta,
Gnaphalium,
Grindelia,
Helenium,
Hieracium,
Hypochaeris,
Inula,
Jacobaea,
Lactuca,
Lagophylla,
Lapsana,
Leontodon,
Leucanthemum,
Logfia,
Madia,
Matricaria,
Micropus,
Microseris,
Mycelis,
Onopordum,
Packera,
Petasites,
Pseudognaphalium,
Psilocarphus,
Rigiopappus,
Rudbeckia,
Senecio,
Sericocarpus,
Silybum,
Solidago,
Sonchus,
Symphyotrichum,
Tanacetum,
Taraxacum,
Tragopogon,
Wyethia
Brassicaceae: Arabidopsis,
Athysanus,
Barbarea,
Brassica,
Camelina,
Capsella,
Cardamine,
Descurainia,
Draba,
Erysimum,
Hirschfeldia,
Lepidium,
Lobularia,
Lunaria,
Nasturtium,
Physaria,
Raphanus,
Rorippa,
Sisymbrium,
Teesdalia,
Thlaspi,
Thysanocarpus
Caryophyllaceae: Agrostemma,
Arenaria,
Atocion,
Cerastium,
Dianthus,
Lychnis,
Moehringia,
Moenchia,
Sabulina,
Sagina,
Scleranthus,
Silene,
Spergula,
Spergularia,
Stellaria,
Vaccaria
Fabaceae: Acmispon,
Amorpha,
Astragalus,
Cytisus,
Galega,
Genista,
Hosackia,
Lathyrus,
Lotus,
Lupinus,
Medicago,
Melilotus,
Robinia,
Rupertia,
Thermopsis,
Trifolium,
Vicia
Lamiaceae: Ajuga,
Clinopodium,
Galeopsis,
Glechoma,
Lamium,
Lavandula,
Leonurus,
Lycopus,
Marrubium,
Melissa,
Mentha,
Physostegia,
Prunella,
Scutellaria,
Stachys,
Trichostema
Plantaginaceae: Antirrhinum,
Callitriche,
Collinsia,
Digitalis,
Gratiola,
Kickxia,
Linaria,
Misopates,
Nothochelone,
Nuttallanthus,
Penstemon,
Plantago,
Tonella,
Veronica
Ranunculaceae: Actaea,
Anemone,
Aquilegia,
Caltha,
Clematis,
Coptis,
Delphinium,
Enemion,
Ficaria,
Myosurus,
Ranunculus,
Thalictrum,
Trautvetteria
Rosaceae: Agrimonia,
Amelanchier,
Aphanes,
Aruncus,
Cotoneaster,
Crataegus,
Dasiphora,
Drymocallis,
Duchesnea,
Fragaria,
Geum,
Holodiscus,
Malus,
Oemleria,
Physocarpus,
Potentilla,
Poteridium,
Poterium,
Prunus,
Pyracantha,
Pyrus,
Rosa,
Rubus,
Sorbus,
Spiraea
Saxifragaceae: Boykinia,
Cascadia,
Chrysosplenium,
Heuchera,
Lithophragma,
Micranthes,
Mitella,
Mitellastra,
Pectiantia,
Saxifraga,
Tellima,
Tiarella,
Tolmiea
Poaceae: Achnatherum,
Agrostis,
Aira,
Alopecurus,
Anthoxanthum,
Arrhenatherum,
Avena,
Beckmannia,
Bromus,
Calamagrostis,
Cinna,
Cortaderia,
Crypsis,
Cynosurus,
Dactylis,
Danthonia,
Deschampsia,
Dichanthelium,
Digitaria,
Echinochloa,
Elymus,
Eragrostis,
Eremopyrum,
Festuca,
Glyceria,
Holcus,
Hordeum,
Koeleria,
Leersia,
Lolium,
Melica,
Molinia,
Panicum,
Paspalum,
Phalaris,
Phleum,
Pleuropogon,
Poa,
Polypogon,
Schedonorus,
Secale,
Setaria,
Sorghum,
Thinopyrum,
Torreyochloa,
Triplasis,
Trisetum,
Ventenata,
Vulpia