![[Picture of <em>Carex densa</em>]](../images/carexdensa.jpg)
Databases, Atlases, and Nomenclatural Resources
Native Plant Societies and Other Plant Organizations
Abbreviations for all links below:
CWG = Carex Working Group.
DK = dichotomous key.
FNA = Flora of North America.
IK = interactive key.
PNW = Pacific Northwest (North America).
Tables = conspectus tables comparing various species.
- Carex (IK; North America; T. Jones 2010)
- Carex; Intermountain Sedges (DK; Treatment; Hurd et al. 1998)
- Cyperaceae of North America (DK; Treatment; FNA; P.W. Bell and A.A. Reznicek 2003)
- Eriogonum (DK; Treatment; North America; J. Reveal; may be superceded by the next)
- Eriogonum (DK; Treatment; North America; FNA; J. Reveal)
- Euphorbia esula group (DK, Treatment; P.M. Catling 2007)
- Festuca; Fescue grasses of the PNW (DK; CWG 2009)
- Field Guide to the Sedges of the PNW (Treatment; DK; CWG 2008)
- Grasses; key to genera of Oregon grasses (DK; CWG for Oregon Flora Project 2010)
- Grasses of North America (DK; Treatment; FNA)
- Grasses (Poaceae) of Oregon, selected groups (Tables; CWG 2010)
- Gymnosperms of Oregon (DK; S. Meyers for Oregon Flora Project 2010
- Hieracium, Hawkweeds (DK; Treatment; PNW; L. Wilson 2006)
- Hieracium, Hawkweeds (DK; PNW; L. Wilson 2007)
- Impatiens; Jewelweeds and Touch-me-nots (DK; PNW; P. Zika 2009)
- Juncus of California (DK; B. Ertter)
- Juncus of Oregon (DK; P. Zika and CWG 2009)
- Juncus effusus group in BC (DK; P. Zika 2006)
- Juniperus of Puget Sound (table; R.P. Adams 2008)
- Luzula of Oregon (DK; P. Zika and CWG 2009)
- Monotropaceae (Allotropa, Hemitomes, Monotropa, Pityopus, Pleuricospora, Pterospora, Sarcodes) (DK, PNW, Luoma 2008)
- Passiflora (DK; California; M. Rejmanek 2009)
- Plants of North America on-line (DK; Treatment, FNA)
- Phragmites australis, native and introduced subspecies (DK, L. Robichaud and P.M. Catling 2003)
- Plant families (IK; worldwide)
- Plants of California (DK; Treatment; Jepson Manual Treatments)
- Plants of North America on-line, family index (DK; Treatment, FNA)
- Poa secunda aggregate (DK; PNW; A. Ceska 2005)
- Salix (willows) (DK; Treatment; south-central Alaska; D.M. Collet 2002)
- Salix (willows) (DK; Treatment; North America; G. Argus 2010)
- Salix of North America (G. Argus)
- Salix (willows) (DK; Treatment; North America; R. Dorn 2010)
- Salix (willows) (Photos; North America; R. Dorn 2010)
- Salix (willows) of Colorado (vegetative key) (DK; Treatment; G. Kittel)
- Salix of Douglas County, Oregon (DK; CWG 2009)
- Salix of Harney and Malheur Counties, Oregon (DK; CWG 2009)
- Salsola of Pacific Coast States (DK; CWG 2009)
- Spartina (cordgrass) (DK; Tables; west coast of North America; M. Pfauth and M. Sytsma 1993)
- Tamarix of North America (DK; CWG 2009)
- Wetland Monocots of U.S. (IK; G. Argus 2009)
- Woody Plants of New England (IK; New England Wildflower Society)