
401. California Suncup
Eulobus californicus

402. Nuttall’s Sunflower
Helianthus nuttallii

403. Plummer’s Mariposa Lily
Calochortus plummerae

404. Pale Spikerush
Eleocharis macrostachya

405. Tall Flatsedge
Cyperus eragrostis

406. Santa Barbara Sedge
Carex barbarae

407. Smooth Horsetail
Equisetum laevigatum

408. Dotted Smartweed
Persicaria punctata

409. Hairy Water-Clover
Marsilea vestita

410. Wild Cucumber
Marah macrocarpa

411. Sawtooth Goldenbush
Hazardia squarrosa

412. Toad Rush
Juncus bufonius

413. Prairie Wedgescale
Sphenopholis obtusata

414. Neckweed
Veronica peregrina

415. Horseweed
Erigeron canadensis

416. Green Carpetweed
Mollugo verticillata

417. Prostrate Spurge
Euphorbia prostrata

418. American Mistletoe
Phoradendron leucarpum

419. Tar Vine
Boerhavia coccinea

420. Hyssopleaf Sandmat
Euphorbia hyssopifolia

421. Flatspine Bur Ragweed
Ambrosia acanthicarpa

422. American Black Nightshade
Solanum americanum

423. Small Venus’ Looking-Glass
Triodanis perfoliata subsp. biflora

424. Bigelow’s Spikemoss
Selaginella bigelovii

425. Spotted Hideseed
Eucrypta chrysanthemifolia

426. Bent Spikerush
Eleocharis geniculata

427. Sacapellote
Acourtia microcephala

428. Danny’s Skullcap
Scutellaria tuberosa

429. Mock Parsley
Apiastrum angustifolium

430. Jimbrush
Ceanothus sorediatus

431. Narrowleaf Bedstraw
Galium angustifolium

432. Perennial Rockcress
Boechera perennans

433. Desert Needlegrass
Stipa speciosa

434. Lindley’s Silverpuffs
Microseris lindleyi

435. Alkali Buttercup
Ranunculus cymbalaria

436. Southern Goldenrod
Solidago confinis

437. Common Knotgrass
Polygonum aviculare

438. Woolly Plantain
Plantago patagonica

439. Indian Tobacco
Nicotiana quadrivalvis

440. Sapphire Woollystar
Eriastrum sapphirinum

441. Pale Persicaria
Persicaria lapathifolia

442. Winterfat
Krascheninnikovia lanata

443. Little Barley
Hordeum pusillum

444. Garrett’s Firechalice
Zauschneria garrettii

445. San Luis Blazingstar
Mentzelia micrantha

446. Crested Needlegrass
Eriocoma coronata

447. Royal Goldfields
Lasthenia coronaria

448. Tiny Mousetail
Myosurus minimus

449. Parish Goldeneye
Bahiopsis deltoidea

450. Three-Petal Bedstraw
Galium trifidum

451. Cane Cholla
Cylindropuntia bernardina

452. Whitestem Blazingstar
Mentzelia albicaulis

453. Nuttall’s Povertyweed
Blitum nuttallianum

454. Snake’s Head
Malacothrix coulteri

455. California Amaranth
Amaranthus californicus

456. Desert Pepperweed
Lepidium fremontii

457. American Yellowrocket
Barbarea orthoceras

458. Clammy Clover
Trifolium obtusiflorum

459. Desert Centaury
Zeltnera exaltata

460. Chaparral Nightshade
Solanum xanti

461. White Pincushion
Chaenactis artemisiifolia

462. Esteve’s Pincushion
Chaenactis stevioides

463. California Broomsage
Lepidospartum squamatum

464. Boraxweed
Nitrophila occidentalis

465. Desert Calico
Loeseliastrum matthewsii

466. Eastwood’s Fiddleneck
Amsinckia eastwoodiae

467. Bristly Fiddleneck
Amsinckia tessellata

468. Sixweeks Threeawn
Aristida adscensionis

469. Mexican Rush
Juncus mexicanus

470. Wooly Lotus
Acmispon tomentosus var. glabriusculus

471. Western Needlegrass
Eriocoma occidentalis subsp. pubescens

472. Smooth Desert Dandelion
Malacothrix glabrata

473. Mexican Sprangletop
Diplachne fusca subsp. uninervia

474. Bearded Sprangletop
Diplachne fusca subsp. fascicularis

475. Emory’s Laphamia
Laphamia emoryi

476. Littleseed Muhly
Muhlenbergia microsperma

477. Water Ribbons
Triglochin scilloides

478. Water Dock
Rumex triangulivalvis

479. Indian Ricegrass
Eriocoma hymenoides

480. Shiny Chickweed
Stellaria nitens

481. Shining Pepperweed
Lepidium nitidum

482. Western Water Hemlock
Cicuta douglasii

483. Purple Threeawn
Aristida glauca

484. Pinpoint Clover
Trifolium gracilentum

485. Pomona Milkvetch
Astragalus pomonensis

486. California Barley
Hordeum californicum

487. Schott’s Sedge
Carex schottii

488. San Diego Bird’s-Foot Trefoil
Acmispon micranthus

489. Evening Primrose
Camissoniopsis ignota

490. Miniature Suncup
Camissoniopsis micrantha

491. Prairie Plantain
Plantago elongata

492. Wright Threeawn
Aristida wrightii

493. Nuttall’s Snapdragon
Sairocarpus nuttallianus

494. Coulter’s Snapdragon
Sairocarpus coulterianus

495. Kellogg’s Spikeweed
Deinandra kelloggii

496. Wrinkled Rush
Juncus dubius

497. Hairy Horsebrush
Tetradymia comosa

498. Branched Hareleaf
Lagophylla ramosissima

499. Valley Mayweed
Matricaria occidentalis

500. Fragrant Rabbit-Tobacco
Pseudognaphalium beneolens

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