While not subject to copyright, please cite and notify me if you intend to use any of these photographs for publications (scientific or not) – I may have more of particular taxa which may be of use! Most of my field work during ’22 and ’23 has been in the American southwest and (especially southern) Great Plains, so photos of the Californian species (Heterotheca oregona s.l. and H. sessiliflora s.l. are unfortunately unavailable).
Thank you in advance! -Marisa
Heterotheca canescens: New Mexico, Union county
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Heterotheca canescens: Oklahoma, Comanche county
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Heterotheca canescens: Texas, Brewster county
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Heterotheca fulcrata var. amplifolia: Arizona, Coconino county
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Heterotheca fulcrata var. amplifolia (‘resinolens‘): Colorado, Larimer county
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Heterotheca fulcrata var. amplifolia (‘cryptocephala‘): New Mexico, Lincoln county
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Heterotheca fulcrata var. fulcrata (‘paniculata‘): Colorado, Clear Creek county
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Heterotheca fulcrata var. fulcrata: Arizona, Pima county
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Heterotheca fulcrata var. fulcrata: Arizona, Pinal county
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Heterotheca fulcrata var. fulcrata: Arizona, Yavapai county
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Heterotheca fulcrata var. fulcrata: New Mexico, Luna county
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Heterotheca fulcrata var. senilis: Arizona, Pima county
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Heterotheca stenophylla var. angustifolia: Kansas, Saline county
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Heterotheca stenophylla var. angustifolia: South Dakota, Yankton county
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Heterotheca stenophylla var. angustifolia: Texas, Parmer county
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Heterotheca stenophylla var. angustifolia: Texas, Terrell county
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Heterotheca stenophylla var. stenophylla: Iowa, Lyons county
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Heterotheca stenophylla var. stenophylla: Oklahoma, Caddo county
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Heterotheca stenophylla var. stenophylla: Oklahoma, Comanche county
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Heterotheca stenophylla var. stenophylla: Oklahoma, Comanche county
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Heterotheca stenophylla var. stenophylla: Oklahoma, Greer county
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Heterotheca stenophylla var. stenophylla: Oklahoma, Kiowa county
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Heterotheca stenophylla var. stenophylla: Texas, Burnet county
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Heterotheca stenophylla var. stenophylla: Texas, Llano county
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Heterotheca stenophylla var. stenophylla: Texas, McCulloch county
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Heterotheca villosa var. minor (‘hispida‘): Colorado, Larimer county
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Heterotheca villosa var. nana: Colorado, Mineral county
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Heterotheca villosa var. pedunculata: Colorado, Archuleta county
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Heterotheca villosa var. scabra (‘cinerascens‘): Nevada, Clark county
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Heterotheca villosa var. scabra (‘excelsior‘): Nevada, Clark county
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Heterotheca villosa var. scabra (‘polothrix‘): Utah, Washington county
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Heterotheca villosa var. sierrablancensis: New Mexico, Lincoln county
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Heterotheca viscida: Arizona, Cochise county
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Heterotheca zionensis ‘standard form’: Arizona, Yavapai county
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Heterotheca zionensis ‘LC variant’: New Mexico, Dona Ana county
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Heterotheca zionensis ‘SF variant’: New Mexico, Guadalupe county
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Heterotheca zionensis ‘SF variant’: New Mexico, Santa Fe county
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Heterotheca zionensis ‘glaucous form’: Utah, Washington county
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