Table 4 Species present at China Gulch (CG) and Hukill Hollow (HH) in the Applegate Valley, Oregon, USA, in year 7. Species were characterized by life form (seeded bunchgrass = bg; forb = f; graminoid = g; woody shrub = s) and origin (introduced = I; native = N). Cover was assessed as mean percent cover on 30 1 m2 plots at each site.
Taxon | Common name | Life form | Origin | % cover | |
|---|---|---|---|---|---|
CG | HH | ||||
Achillea millefolium L. | common yarrow | f | N | 0.0 | 0.3 |
Achnatherum lemmonii (Vasey) Barkworth | Lemmon’s needlegrass | bg | N | 0.0 | 0.2 |
Agoseris sp. | agoseris | f | N | 0.0 | 0.7 |
Aira caryophyllea L. | silver hairgrass | g | I | 0.0 | 3.1 |
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. | Menzies’ fiddleneck | f | N | 0.0 | 0.3 |
Aster spp. | aster | f | N | 0.1 | 1.7 |
Avena fatua L. | wild oat | g | I | 11.2 | 0.0 |
Bromus carinatus Hook. & Arn. | California brome | bg | N | 0.0 | 0.1 |
Bromus diandrus Roth | ripgut brome | g | I | 0.1 | 0.0 |
Bromus hordeaceus L. | soft brome | g | I | 8.6 | 4.3 |
Bromus madritensis L. | compact brome | g | I | 3.3 | 0.0 |
Bromus tectorum L. | cheat grass | g | I | 1.9 | 1.4 |
Calystegia occidentalis (A. Gray) Brummitt | chaparral false bindweed | f | N | 0.1 | 0.0 |
Castilleja tenuis (A. Heller) T.I. Chuang & Heckard | hairy Indian paintbrush | f | N | 0.0 | 0.2 |
Ceanothus cuneatus (Hook.) Nutt. | buckbrush | s | N | 0.0 | 1.3 |
Centaurea solstitialis L. | yellow star-thistle | f | I | 0.0 | 0.7 |
Cerastium arvense L. | field chickweed | f | N | 0.0 | 0.4 |
Cirsium cymosum (Greene) J.T. Howell | peregrine thistle | f | N | 5.8 | 0.0 |
Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. ssp. quadrivulnera (Douglas ex Lindl.) F.H. Lewis & M.I. Lewis | winecup clarkia | f | N | 2.3 | 3.3 |
Clarkia rhomboidea Douglas ex Hook. | diamond clarkia | f | N | 0.0 | 0.2 |
Collomia grandiflora Douglas ex Lindl. | grand collomia | f | N | 0.0 | 0.2 |
Cryptantha flaccida (Douglas ex Lehm.) Greene | weakstem cryptantha | f | N | 1.7 | 0.0 |
Cynosurus echinatus L. | bristly dogstail grass | f | I | 0.0 | 0.9 |
Daucus pusillus Michx. | American wild carrot | f | N | 2.3 | 4.8 |
Dichelostemma congestum (Sm.) Kunth | ookow | f | N | 0.1 | 0.0 |
Elymus glaucus Buckley | blue wildrye | bg | N | 0.4 | 0.8 |
Eriodictyon californicum (Hook. & Arn.) Torr. | California yerba santa | s | N | 5.6 | 0.1 |
Erodium cicutarium (L.) L’Hér. ex Aiton | redstem stork’s bill | f | I | 0.0 | 1.5 |
Eriophyllum lanatum (Pursh) Forbes | common woolly sunflower | f | N | 0.2 | 1.2 |
Festuca roemeri (Pavlick) S. Aiken var. klamathensis B.L. Wilson | Roemer’s fescue | bg | N | 0.1 | 0.8 |
Galium ambiguum W. Wight | Yolla Bolly bedstraw | f | N | 0.0 | 0.1 |
Galium aparine L. | stickywilly | f | N | 0.0 | 0.0 |
Galium parisiense L. | wall bedstraw | f | I | 0.0 | 1.6 |
Galium sp. | bedstraw | f | N | 0.0 | 0.0 |
Gilia capitata Sims | bluehead gilia | f | N | 0.2 | 0.0 |
Hieracium sp. | hawkweed | f | N | 0.0 | 4.2 |
Hypericum perforatum L. | common St. Johnswort | f | I | 0.0 | 0.0 |
Lactuca serriola L. | lettuce | f | I | 0.0 | 0.4 |
Leptosiphon bicolor Nutt. | true babystars | f | N | 0.0 | 1.9 |
Lomatium californicum (Nutt.) Mathias & Constance | California lomatium | f | N | 0.0 | 0.1 |
Lomatium macrocarpum (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose | bigseed biscuitroot | f | N | 0.0 | 0.1 |
Lonicera hispidula (Lindl.) Douglas ex Torr. & A. Gray | pink honeysuckle | s | N | 0.0 | 0.2 |
Lotus micranthus Benth. | desert deervetch | f | N | 0.0 | 1.9 |
Madia citriodora Greene | lemonscented madia | f | N | 0.0 | 0.7 |
Madia gracilis (Sm.) D.D. Keck | grassy tarweed | f | N | 14.8 | 10.4 |
Madia madioides (Nutt.) Greene | woodland madia | f | N | 0.1 | 0.9 |
Micropus californicus Fisch. & C.A. Mey. | q-tips | f | N | 0.0 | 1.8 |
Phacelia heterophylla Pursh | varileaf phacelia | f | N | 0.0 | 0.5 |
Plagiobothrys nothofulvus (A. Gray) A. Gray | rusty popcornflower | f | N | 0.2 | 0.0 |
Plectritis congesta (Lindl.) DC. | shortspur seablush | f | N | 0.0 | 0.2 |
Poa bulbosa L. | bulbous bluegrass | g | I | 0.0 | 0.0 |
Sisymbrium altissimum L. | tall tumblemustard | f | I | 0.0 | 0.1 |
Stellaria media (L.) Vill. | common chickweed | f | I | 0.0 | 0.3 |
Torilis arvensis (Huds.) Link | spreading hedgeparsley | f | I | 4.9 | 2.7 |
Toxicodendron diversilobum (Torr. & A. Gray) Greene | Pacific poison oak | s | N | 6.2 | 15.8 |
Tragopogon dubius Scop. | yellow salsify | f | I | 0.0 | 0.0 |
Vulpia microstachys (Nutt.) Munro | small fescue | g | N | 0.8 | 0.1 |
Vulpia myuros (L.) C.C. Gmel. | annual fescue | g | I | 6.6 | 0.0 |