Daisies and Fleabanes with discoid flower heads (lacking ray flowers)
Bitter Fleabane, Kamchatka Bitter Fleabane, Northern Daisy: Erigeron acris var. kamtschaticus (Synonyms: Erigeron acris ssp. politus, Erigeron acris var. asteroides, Trimorpha acris var. asteroides) -
Alice Eastwood's Fleabane, Alice's Fleabane, Eastwood's Daisy, Eastwood's Fleabane: Erigeron aliceae -
Annual Fleabane, Eastern Daisy Fleabane, Sweet Scabrous Erigeron, Sweet Scabrous Fleabane: Erigeron annuus (Synonyms: Aster annuus, Erigeron annuus var. discoideus) -
Bloomer's Daisy, Bloomer's Fleabane, Scabland Fleabane: Erigeron bloomeri var. bloomeri - Flower heads are discoid, lacking ray flowers.
Bloomer's Fleabane, Waldo Daisy: Erigeron bloomeri var. nudatus - Flower heads are discoid, lacking ray flowers.
Cascade Daisy, Cascade Fleabane, Horseweed: Erigeron cascadensis -
Deer Fleabane, Siskiyou Daisy, Siskiyou Fleabane: Erigeron cervinus (Syonym: Erigeron delicatus) -
Cutleaf Daisy, Dwarf Mountain Fleabane, Fernleaf Fleabane, Trifid Mountain Fleabane: Erigeron compositus (Synonyms: Erigeron compositus var. compositus, Erigeron compositus var. discoideus, Erigeron compositus var. glabratus) -
Foothill Daisy, Longleaf Fleabane: Erigeron corymbosus -
Pacific Fleabane, Willamette Fleabane, Willamette Valley Daisy: Erigeron decumbens (Synonyms: Erigeron decumbens ssp. decumbens, Erigeron decumbens var. decumbens) -
Diffuse Daisy, Spreading Fleabane: Erigeron divergens (Synonym: Erigeron divergens var. divergens) -
Eaton's Plantain-leaved Fleabane, Plantain-leaved Daisy: Erigeron eatonii var. plantagineus (Synonyms: Erigeron decumbens ssp. robustior, Erigeron decumbens var. robustior) -
Eaton's Fleabane, Eaton's Shaggy Daisy, Eaton's Shaggy Fleabane: Erigeron eatonii var. villosus (Synonym: Erigeron eatonii ssp. villosus) -
Peck's Threadleaf Fleabane, Threadleaf Fleabane: Erigeron filifolius (Synonyms: Erigeron filifolius var. filifolius, Erigeron filifolius var. robustior) -
Flett's Fleabane, Olympic Mountain Fleabane: Erigeron flettii -
Leafy Fleabane: Erigeron foliosus var. confinis (Synonym: Erigeron foliosus var. hartwegii) -
Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron peregrinus ssp. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) -
Beach Fleabane, Seaside Daisy, Seaside Fleabane: Erigeron glaucus -
Howell's Daisy, Howell's Fleabane: Erigeron howellii - ?
California Rayless Daisy, Lava Rayless Fleabane, Unadorned Fleabane: Erigeron inornatus var. inornatus - Discoid flower heads, lacking ray flowers.
Latin American Fleabane, Mexican Daisy, Santa Barbara Daisy: Erigeron karvinskianus - Introduced.
Klamath Daisy, Klamath Fleabane: Erigeron klamathensis (Synonyms: Erigeron breweri, Erigeron breweri var. klamathensis) -
Short-ryaed Fleabane, Spear-leaved Fleabane: Erigeron lonchophyllus (Synonyms: Erigeron acris ssp. racemosus, Trimorpha lonchophylla) -
Northern Daisy: Erigeron nivalis (Synonyms: Erigeron acris ssp. debilis, Erigeron acris var. debilis, Trimorpha acris var. debilis) -
Columbia Gorge Daisy, Gorge Daisy, Gorge Fleabane, Oregon Fleabane: Erigeron oreganus -
Peregrine Fleabane, Subalpine Fleabane, Wandering Daisy: Erigeron peregrinus var. peregrinus (Synonyms: Erigeron peregrinus ssp. peregrinus, Erigeron peregrinus var. dawsonii) -
Thompson's Wandering Daisy: Erigeron peregrinus var. thompsonii (Synonyms: Erigeron peregrinus ssp. peregrinus var. thompsonii, Erigeron peregrinus ssp. typicus var. thompsonii, Erigeron thompsonii) -
Cliff Fleabane, Rock Daisy, Rock-loving Fleabane: Erigeron petrophilus var. petrophilus (Synonm: Erigeron petrophilus var. viscidulus) - Flower heads discoid, lacking ray flowers.
Philadelphia Daisy, Philadelphia Fleabane: Erigeron philadelphicus (Synonym: Erigeron philadelphicus var. philacelphicus) -
Aspen Fleabane, Showy Daisy, Showy Fleabane, Splendid Fleabane, Threenerve Fleabane: Erigeron speciosus (Synonyms: Erigeron conspicuus, Erigeron macranthus, Erigeron speciosus var. conspicuus, Erigeron speciosus var. macranthus, Erigeron speciosus var. speciosus, Erigeron speciosus var. typicus, Erigeron subtrinervis, Erigeron subtrinervis ssp. conspicuus, Erigeron subtrinervis var. conspicuus, Stenactis speciosa) -
Stansells Fleabane: Erigeron stanselliae -
Branching Daisy, Branching Fleabane, Daisy Fleabane, Prairie Fleabane: Erigeron strigosus var. strigosus (Synonym: Erigeron annuus ssp. strigosus, Erigeron strigosus var. septentrionalis) -