Catalog: Oregon State Arthropod Collection 5(1), DOI: https://doi.org/10.5399/osu/cat_osac.5.1.4647 Supplement 2:

Supplement 2: Number of bee specimens collected from each plant genus Genus Count Genus Count Genus Count Genus Count Ericameria 441 Camassia 22 Aesculus 7 Aguilegia 2 Rubus 254 Descurainia 22 Antennaria 7 Amsinckia 2 Phacelia 203 Dipsacus 21 Arenaria 7 Arabis 2 Ceanothus 199 Hackelia 21 Blepharipappus 7 Asparagus 2 Solidago 166 Mimulus 21 Aquilegia 6 Bellardia 2 Penstemon 144 Plagiobothrys 21 Barbarea 6 Boechera 2 Potentilla 136 Veronica 21 Cardaria 6 Castanea 2 Lupinus 118 Allium 20 Chaenactis 6 Collinsia 2 Spiraea 118 Wisteria 20 Claytonia 6 Cuscuta 2 Eriophyllum 116 Gaillardia 19 Convolvulus 6 Cynoglossum 2 Thelypodium 104 Philadelphus 19 Erodium 6 Dianthus 2 Eschscholzia 96 Asteraceae 18 Iliamna 6 Downingia 2 Salix 88 Monarda 18 Magnoliophyta 6 Abronia 1 Ribes 86 Cornus 17 Purshia 6 Anemone 1 Taraxacum 85 Alcea 16 Stachys 6 Angelica 1 Brassica 84 Cosmos 16 Abelia 5 Astragulus 1 Eriogonum 83 Crataegus 15 Antirrhinum 5 Atriplex 1 Geranium 80 Euphorbia 15 Cerastium 5 Aurinia 1 Vicia 79 Madia 15 Digitalis 5 Betula 1 Bellis 77 Rosmarinus 15 Hebe 5 Boraginaceae 1 Chrysothamnus 74 Sonchus 15 Lasthenia 5 Boraginales 1 Trifolium 74 Echinacea 14 Quercus 5 Borago 1 Achillea 73 Malus 14 Rosaceae 5 Bromus 1 Plectritis 72 Microseris 14 Aclepias 4 Calendula 1 Rosa 72 Amelanchier 13 Anaphalis 4 Carpenteria 1 Grindelia 71 Dasiphora 13 Beta 4 Caryopteris 1 Physocarpus 70 Delphinium 13 Bidens 4 Castilleja 1 Sidalcea 67 Foeniculum 13 Cichorieae 4 Catalpa 1 Prunus 61 Lavandula 13 Hastata 4 Centauria 1 Senecio 60 Tonella 13 Hesperis 4 Chaenomeles 1 Heracleum 59 Bistorta 12 Hypericum 4 Chamaemelum 1 Aster 58 Cleome 12 Iris 4 Cichorioideae 1 Leucanthemum 58 Crepis 12 Leontodon 4 Cistus 1 Nepeta 57 Lathyrus 12 Limnanthes 4 Composite 1 Helianthus 56 Sorbus 12 Linum 4 Crocidium 1 Lonicera 56 Styrax 12 Myosotis 4 Crocus 1 Raphanus 56 Acer 11 Rheum 4 Damasonium 1 Wyethia 54 Artemisia 11 Scutellaria 4 Dicentra 1 Cirsium 53 Astragalus 11 Taraxia 4 Drymocallis 1 Symphoricarpos 51 Coreopsis 11 Tarweed 4 Ericaceae 1 Symphyotrichum 49 Eriodictyon 11 Viola 4 Erythronium 1 Sidalacea 47 Lithospermum 11 Calystegia 3 foraging 1 Asclepias 46 Purple 11 Chrysolepis 3 Forsythia 1 Epilobium 44 Rudbeckia 11 Chyrsomanthus 3 Gentiana 1 Ilex 43 Hyacinthoides 10 Cryptantha 3 Gnaphalium 1 Rhus 42 Jacobaea 10 Cucurbita 3 Hirschfeldia 1 Fragaria 41 Medicago 10 Dahlia 3 Jaumea 1 Whipplea 41 Melelotus 10 Deutzia 3 Kalmia 1 Agastache 39 Pseudotsuga 10 Echinops 3 Lamiaceae 1 Lomatium 38 Sedum 10 Fraxinus 3 Larkspur 1 Melilotus 38 Sinapis 10 Grossulariaceae 3 Lepechinia 1 Scandix 38 Tragopogon 10 Mentzelia 3 Lewisia 1 Berberis 37 Anthemideae 9 Sarcobatus 3 Lithophragma 1 Chamaenerion 37 Brodiaea 9 Silene 3 Lobularia 1 Daucus 36 Heliopsis 9 Verbascum 3 Lychnis 1 Arnica 34 Mentha 9 Viburnum 3 Magnoliopsida 1 Balsamorhiza 34 Pyrus 9 Weedy 3 Malva 1 Arctostaphylos 33 Robinia 9 Elaeagnus 2 Melissa 1 Ranunculus 32 Salvia 9 Eruca 2 Narcissus 1 Erigeron 31 Syringa 9 Erysimum 2 Oenanthe 1 Hypochaeris 29 Cotinus 8 Fagopyrum 2 Packera 1 Dichelostemma 28 Doronicum 8 Hemizonella 2 Pieris 1 Gilia 28 Heuchera 8 Hydrangea 2 Prosartes 1 Helenium 27 Mahonia 8 Hydrophyllum 2 Pseudoveronica 1 Rhododendron 27 Perideridia 8 Linaria 2 Romneya 1 Calochortus 26 Prunella 8 Marah 2 Salicaceae 1 Origanum 26 Tellima 8 Oenothera 2 Sanicula 1 Perovskia 26 Triteleia 8 Phlox 2 Silphium 1 Verbena 26 Chorispora 7 Photinia 2 Sisyrinchium 1 Monardella 25 Euonymus 7 Polygonum 2 Small 1 Apocynum 24 Hieracium 7 Scabiosa 2 Stephanomeria 1 Centaurea 23 Lepidium 7 Sisymbrium 2 Symphytum 1 Clarkia 23 Nemophila 7 Solanum 2 Thymus 1 Holodiscus 23 Poales 7 Sphaeralcea 2 Toxicoscordion 1 Horkelia 23 Poison 7 Tithonia 2 Veratrum 1 Vaccinium 23 Sphenosciadium 7 Tradescantia 2 Verbenaceae 1 Lotus 22 Thermopsis 7 Umbelliferae 2 Weigela 1 Tanacetum 22

1 Catalog: Oregon State Arthropod Collection 5(1), DOI: https://doi.org/10.5399/osu/cat_osac.5.1.4647 Supplement 2:

Supplement 2: Number of unique be e species collected fro m each plant genus

Genus Count Genus Count Genus Count Genus Count Phacelia 50 Apocynum 9 Arenaria 4 Abronia 1 Rubus 47 Asteraceae 9 Barbarea 4 Aguilegia 1 Penstemon 43 Cleome 9 Blepharipappus 4 Anemone 1 Ericameria 36 Ilex 9 Chaenactis 4 Angelica 1 Eriophyllum 35 Crepis 8 Chorispora 4 Arabis 1 Eriogonum 33 Dipsacus 8 Convolvulus 4 Astragulus 1 Solidago 33 Eriodictyon 8 Cosmos 4 Atriplex 1 Spiraea 31 Hypochaeris 8 Dasiphora 4 Aurinia 1 Trifolium 31 Lathyrus 8 Aesculus 3 Betula 1 Geranium 30 Perovskia 8 Anaphalis 3 Boechera 1 Lupinus 30 Sedum 8 Antennaria 3 Boraginaceae 1 Senecio 30 Amelanchier 7 Anthemideae 3 Boraginales 1 Thelypodium 30 Brodiaea 7 Bidens 3 Borago 1 Achillea 29 Echinacea 7 Cerastium 3 Bromus 1 Aster 29 Foeniculum 7 Chrysolepis 3 Calendula 1 Sidalcea 29 Hackelia 7 Cichorieae 3 Carpenteria 1 Vicia 29 Horkelia 7 Claytonia 3 Caryopteris 1 Potentilla 27 Madia 7 Cucurbita 3 Castilleja 1 Ceanothus 26 Medicago 7 Dahlia 3 Catalpa 1 Nepeta 26 Monarda 7 Deutzia 3 Centauria 1 Rosa 25 Origanum 7 Digitalis 3 Chaenomeles 1 Chamaenerion 22 Pseudotsuga 7 Echinops 3 Chamaemelum 1 Melilotus 22 Purple 7 Grossulariaceae 3 Cichorioideae 1 Ribes 22 Rhus 7 Hebe 3 Cistus 1 Symphoricarpos 22 Rosmarinus 7 Hesperis 3 Collinsia 1 Taraxacum 22 Styrax 7 Hypericum 3 Composite 1 Lonicera 21 Acer 6 Lepidium 3 Cotinus 1 Eschscholzia 20 Aquilegia 6 Melelotus 3 Crocidium 1 Grindelia 20 Artemisia 6 Philadelphus 3 Crocus 1 Leucanthemum 20 Astragalus 6 Robinia 3 Cryptantha 1 Brassica 19 Cornus 6 Scandix 3 Damasonium 1 Chrysothamnus 19 Crataegus 6 Silene 3 Dicentra 1 Cirsium 19 Heuchera 6 Taraxia 3 Drymocallis 1 Salix 19 Holodiscus 6 Thermopsis 3 Ericaceae 1 Agastache 18 Hyacinthoides 6 Viburnum 3 Erythronium 1 Epilobium 18 Lavandula 6 Weedy 3 foraging 1 Helianthus 18 Lithospermum 6 Abelia 2 Forsythia 1 Balsamorhiza 17 Mahonia 6 Aclepias 2 Fraxinus 1 Whipplea 17 Malus 6 Amsinckia 2 Gentiana 1 Wyethia 17 Mentha 6 Asparagus 2 Gnaphalium 1 Bellis 16 Poison 6 Bellardia 2 Hirschfeldia 1 Plectritis 16 Rudbeckia 6 Beta 2 Hydrangea 1 Calochortus 15 Salvia 6 Calystegia 2 Jaumea 1 Camassia 15 Sorbus 6 Cardaria 2 Kalmia 1 Centaurea 15 Tonella 6 Castanea 2 Lamiaceae 1 Heracleum 15 Antirrhinum 5 Chyrsomanthus 2 Larkspur 1 Raphanus 15 Bistorta 5 Cuscuta 2 Lepechinia 1 Symphyotrichum 15 Coreopsis 5 Cynoglossum 2 Lewisia 1 Asclepias 14 Delphinium 5 Dianthus 2 Linaria 1 Dichelostemma 14 Doronicum 5 Downingia 2 Lithophragma 1 Physocarpus 14 Euphorbia 5 Elaeagnus 2 Lobularia 1 Prunus 14 Iliamna 5 Eruca 2 Lychnis 1 Gilia 13 Lasthenia 5 Erysimum 2 Magnoliopsida 1 Clarkia 12 Microseris 5 Fagopyrum 2 Malva 1 Daucus 12 Nemophila 5 Hastata 2 Melissa 1 Fragaria 12 Prunella 5 Hemizonella 2 Narcissus 1 Monardella 12 Purshia 5 Hydrophyllum 2 Oenanthe 1 Ranunculus 12 Sinapis 5 Leontodon 2 Packera 1 Sidalacea 12 Sphenosciadium 5 Limnanthes 2 Photinia 1 Allium 11 Stachys 5 Magnoliophyta 2 Pieris 1 Arnica 11 Tellima 5 Marah 2 Prosartes 1 Berberis 11 Tragopogon 5 Mentzelia 2 Pseudoveronica 1 Erigeron 11 Triteleia 5 Oenothera 2 Romneya 1 Gaillardia 11 Erodium 4 Phlox 2 Salicaceae 1 Helenium 11 Euonymus 4 Poales 2 Sanicula 1 Lomatium 11 Heliopsis 4 Polygonum 2 Sarcobatus 1 Mimulus 11 Hieracium 4 Pyrus 2 Silphium 1 Rhododendron 11 Iris 4 Quercus 2 Sisyrinchium 1 Tanacetum 11 Jacobaea 4 Scabiosa 2 Small 1 Vaccinium 11 Linum 4 Scutellaria 2 Sphaeralcea 1 Verbena 11 Myosotis 4 Sisymbrium 2 Stephanomeria 1 Alcea 10 Perideridia 4 Solanum 2 Symphytum 1 Arctostaphylos 10 Rheum 4 Tarweed 2 Thymus 1 Descurainia 10 Rosaceae 4 Tradescantia 2 Tithonia 1 Plagiobothrys 10 Sonchus 4 Verbascum 2 Toxicoscordion 1 Lotus 9 Syringa 4 Verbenaceae 1 Umbelliferae 1 Veronica 9 Viola 4 Weigela 1 Veratrum 1 Wisteria 9

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