The links below present high resolution images of herbarium specimens for:

• Chapter 11. Tribe Helenieae. (Phytologia Memoirs Vol. 16, 2013)
• Chapter 12. Tribes Bahieae and Chaenactideae. (Phytologia Memoirs Vol. 17, 2013)
• Chapter 13. Tribes Madieae and Perityleae. (Phytologia Memoirs Vol. 18, 2013)
• Chapter 14. Tribe Neurolaeneae. Tribe Heliantheae, subtribes Ambrosiinae, Chromolepidinae and Dugesiinae. (Phytologia Memoirs Vol. 19, 2014)
• Chapter 15. Tribe Ecliptinae [Part 1]. Genera: Baltimora, Calyptocarpus, Clibadium, Damnxanthodium, Delilia, Eclipta, Jefea, Lasianthaea, Lundellianthus, Melanthera, Otopappus, Perymeniopsis (Phytologia Memoirs Vol. 20, 2014)
• Chapter 16. Subtribe Ecliptinae [Part 2]. Genera: Perymenium, Plagiolophus, Rensonia, Sphagneticola, Synedrella, Tuxtla, Wamalchitamia, Wedelia, Zexmenia, Zyzyxia. (Phytologia Memoirs Vol. 21, 2014)
• Chapter 17. Subtribe Enceliinae. Genera: Geraea, Helianthella. Subtribe Engelmanniinae. Genera: Berlandiera, Borrichia, Engelmannia, Lindheimera, Vigethia. (Phytologia Memoirs Vol. 22, 2015)
• Chapter 18. Subtribe Helianthinae [Part 1a]. Genera: Aldama, Bahiopsis, Calanticaria, Davilanthus, Dendroviguiera, Gonzalezia. (Phytologia Memoirs Vol. 23a, 2015)
• Chapter 19. Subtribe Helianthinae [Part 1b]. Genera: Helianthus, Heliomeris, Hymenostephium, Iostephane, Lagascea, Sclerocarpus, Sidneya, Simsia, Tithonia, Viguiera. (Phytologia Memoirs Vol. 23b, 2015)
• Chapter 20a. Subtribes: Montanoinae (Montanoaq); Rojasianthinae (Rojasianthus); Rudbeckiinae (Ratibidia, Rudbeckia); Spilanthinae (Acmella, Salmea, Spilanthes); Verbesininae [in part] (Podachaenium, Squamopappus, Tetrachyron), Verbesina [to appear in Vol. 24b]. (Phytologia Memoirs Vol. 24a, 2016)
• Chapter 20b. Subtribe Verbesininae [in part, continued from Vol. 24a]: Verbesina. (Phytologia Memoirs Vol. 24b, 2016)