Field Horsetail: Equisetum arvense
Lace Lipfern: Cheilanthes gracillima
Duckweed: Lemna minor
Tree-of-Heaven: Ailanthus altissima
Netleaf Hackberry: Celtis reticulata
Willow: Salix sp.
Black Cottonwood: Populus trichocarpa
Poison Ivy: Toxicodendron rydbergii
* Douglas' Sedge: Carex douglasii
* Indian Ricegrass: Achnatherum hymenoides - Beginning to bloom.
* Cheatgrass: Bromus tectorum
* Bulbous Bluegrass: Poa bulbosa
* Leiberg's Bluegrass: Poa leibergii
* Sandberg Bluegrass: Poa secunda
Bluebunch Wheatgrass: Pseudoroegneria spicata
Stinging Nettles: Urtica dioica (ssp. gracilis ?)
Bastard Toadflax: Comandra californica (var. pallida ?)
Sagebrush Mariposa: Calochortus macrocarpus var. macrocarpus
* Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii
* Northern Buckwheat: Eriogonum compositum (var. compositum ?)
Rock Buckwheat: Eriogonum sphaerocephalum
Strict Buckwheat: Eriogonum strictum (var. ?)
Wiry Knotweed: Polygonum majus - Last year's stems.
Curly Dock: Rumex crispus
* Veiny Dock: Rumex venosus
Prickly Russian Thistle: Salsola tragus - Dried remains of last year's plants.
White Sand-verbena: Abronia mellifera
* Cushion Miner's Lettuce: Claytonia rubra ssp. depressa
* Sticky Chickweed: Cerastium glomeratum
Franklin's Sandwort: Eremogone franklinii var. franklinii
* Jagged Chickweed: Holosteum umbellatum
Western White Clematis: Clematis ligusticifolia
* Western Tansymustard: Descurainia (incisa ssp. filipes ?)
* Spring Whitlow-grass: Draba verna
* Pale Wallflower: Erysimum occidentale
* Tumble Mustard: Sisymbrium altissimum
* Thick-leaf Thelypody: Thelypodium laciniatum var. laciniatum - Just beginning to bloom.
* Fringepods: Thysanocarpus curvipes
Cursed Buttercup: Ranunculus sceleratus
* Bulblet Prairie Star: Lithophragma bulbifera (Lithophragma glabrum)
Mock Orange: Philadelphus lewisii - Plants beginning to leaf out.
* Western Ladie's-mantle: Aphanes arvensis
* Cherry?: Prunus sp. - Domestic
Chokecherry: Prunus virginiana var. melanocarpa - In bud.
* Antelope Bitterbrush: Purshia tridentata - Just beginning to bloom.
Himalayan Blackberry: Rubus armeniacus
* Woollypod Milkvetch: Astragalus purshii (var. glareosus ?) - Woolly pods present too.
Milkvetch: Astragalus speirocarpus or Astragalus tweedyi ? - Leaves only.
* Soft Lupine: Lupinus sulphureus ssp. subsaccatus
Lanceleaf Scurfpea: Psoralidium lanceolatum
* Filaree: Erodium cicutarium
Whitestem Blazing Star: Mentzelia albicaulis - In bud.
* Contorted Pod Suncup: Camissonia contorta
Willowherb: Epilobium ciliatum (var. ?)
Pale Evening Primrose: Oenothera pallida
Canby's Desert Parsley: Lomatium canbyi - Past bloom.
Gorman's Desert Parsley: Lomatium gormanii ? - Past bloom.
* Pungent Desert Parsley: Lomatium grayi
* Nineleaf Desert Parsley: Lomatium triternatum var. triternatum
* Indian-parsnip: Pteryxia terebinthina var. foeniculaceus
Field Bindweed: Convolvulus arvensis
* Desert Shooting Star: Dodecatheon conjugens - Most plants are past bloom.
* Shy Gilia: Gilia sinuata
* Longleaf Phlox: Phlox longifolia - large swaths of pink covering much of the more naturalized ground.
Silverleaf Phacelia: Phacelia hastata var. hastata - In bud.
* Lineleaf Phacelia: Phacelia linearis - Beginning to bloom.
* Tarweed Fiddleneck: Amsinckia lycopsoides
* Rigid Fiddleneck: Amsinckia retrorsa
* Weakstem Cryptanth: Cryptantha flaccida ? - Small flowers, very thin linear leaves that spread from stem at right angles.
* Wingnut Cryptantha: Cryptantha pterocarya ?
* Slender Popcornflower: Plagiobothrys tenellus
Purple Sage: Salvia dorrii
Attenuate Paintbrush: Castilleja attenuata ? - In bud. Young plants have a purplish hue and appear much like young Triphysaria pusilla.
Common Monkeyflower: Mimulus guttatus
Sand Penstemon: Penstemon acuminatus var. acuminatus - In bud.
Suksdorf's Broomrape: Aphyllon ludovicianum - Last year's dried stems.
Clustered Broomrape: Aphyllon franciscanum - Last year's dried stems.
* Woolly Plantain: Plantago patagonica
* White Plectritis: Plectritis macrocera
Yarrow: Achillea millefolium - In bud.
* Annual Agoseris: Agoseris heterophylla
* Low Pussytoes: Antennaria dimorpha
Dragon Wormwood: Artemisia dracunculus
* Carey's Balsamroot: Balsamorhiza careyana
Hoary False Yarrow: Chaenactis douglasii var. douglasii - In bud.
Green Rabbitbrush: Chrysothamnus viscidiflorus
Wavyleaf Thistle: Cirsium undulatum
* Gold Stars: Crocidium multicaule - Beginning to fade out of bloom.
Gray Rabbitbrush: Ericameria nauseosa var. speciosa
Threadleaf Fleabane: Erigeron filifolius - In bud.
Cotton-batting Plant: Gnaphalium chilense - Basal leaves only.
Annual Sunflower: Helianthus annuus - Dried stalks of last year's plants.
Match Brush: Gutierrezia sarothrae
Hairy Goldaster: Heterotheca villosa
* White Tidy Tips: Layia glandulosa
Western Goldenrod: Euthamia occidentalis ?
Sow-thistle: Sonchus sp.
* Common Dandylion: Taraxacum officinale
Salsify: Tragopogon dubius
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