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Bulletin - United States National Museum - Smithsonian Institution

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j.68 FLORA OF WASHINGTON AND VICINITY.<br />

471. Xanthium spinosum, L.<br />

472. Heliopsis laevis, Pers.<br />

473. EcUpta procumbens, Michx.<br />

474. Rudbeckia laciuiata, L.<br />

475. Rudbeckia triloba, L.<br />

476. Rudbeckia hirta, L.<br />

477. Rudbeckia fulgida, Ait.<br />

478. Helianthus animus, L.<br />

479. Helianthus angustifolius, L.<br />

480. HeUauthus occidentalis, Riddell.<br />

481. Helianthus giganteus, L.<br />

482. Helianthus strumosus, L.<br />

483. Helianthus strumosus, L., var. mollis, Gray<br />

484. Helianthus divarioatus, L.<br />

485. Helianthus decapetalus, L.<br />

486. Helianthus doronicoides, Lam.<br />

487. Helianthus tuberosus, L.<br />

488. Actinomeris squarrosa, Nutt.<br />

489. Verbesina Siegesbeckia, Michx.<br />

490. Coreopsis tinctoria, Radius.<br />

491. Coreopsis verticillata, L.<br />

492. Coreopsis tripteris, L.<br />

493. Coreopsis discoidea, Torr. & Gray.<br />

494. Bidens frondosa, L.

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