& Skvarla Hoffmanniella Schltr. ex Lawalrée Hofmeisteria Walp. Holocarpha Greene – tarweed Holocheilus Cass. Hololeion Kitam. Hololepis DC. Holoschkuhria H.Rob. Holozonia Greene Homogyne Cass. Hoplophyllum DC. Huarpea Cabrera Huberopappus Pruski Hubertia Bory Hughesia R.M.King & H.Rob. Hullsia P.S.Short Hulsea Torr. & A.Gray – alpinegold Humbertacalia C.Jeffrey Humeocline Anderb. Hyalis D.Don ex Hook. & Arn. Hyalochlamys A.Gray Hyaloseris Griseb. Hyalosperma Steetz Hybridella Cass. Hydroidea P.O.Karis Hydropectis Rydb. Hymenocephalus Jaub. & Spach Hymenolepis Cass. Hymenonema Cass. Hymenopappus L'Her. Hymenostemma Kunze ex Willk. Hymenostephium Benth. Hymenothrix A.Gray – thimblehead Hymenoxys Cass. – rubberweed Hyoseris L. Hypericophyllum Steetz Hypochaeris L. – catsear Hysterionica Willd. Hystrichophora Mattf. I List of genera is from Plants of the World Online unless otherwise cited. Ianthopappus Roque & D.J.N.Hind Ichthyothere Mart. Idiopappus H.Rob. & Panero Idiothamnus R.M.King & H.Rob. Ifloga Cass. Ignurbia B.Nord. Iltisia S.F.Blake Imeria R.M.King & H.Rob. Indocypraea Orchard Inezia E.Phillips Inkaliabum D.G.Gut. Inula L. – yellowhead Inulanthera Källersjö Inulopsis O.Hoffm. Io B.Nord. Iodocephalopsis Bunwong & H.Rob. Iogeton Strother Ionactis Greene – stiff-leaved asters Iostephane Benth. Iotasperma G.L.Nesom Iphiona Cass. Iphionopsis Anderb. Iranecio B.Nord. Iranoaster Kaz.Osaloo, Farhani & Mozaff. Ischnea F.Muell. Ismelia Cass. Isocarpha Less. – pearlhead Isocoma Nutt. – goldenbush, jimmyweed Isoetopsis Turcz. Isostigma Less. Iva L. – marshelder, sumpweed Ixeridium (A.Gray) Tzvelev Ixeris (Cass.) Cass. Ixiochlamys F.Muell. & Sond. Ixiolaena Benth. Ixodia R.Br. × Ixyoungia Kitam. J List of genera is from Plants of the World Online unless otherwise cited. Jacmaia B.Nord. Jacobaea Mill. Jaegeria Kunth Jalcophila M.O.Dillon & Sagást. Jaliscoa S.Watson Jamesianthus S.F.Blake & Sherff Japonicalia C.Ren & Q.E.Yang Jaramilloa R.M.King & H.Rob. Jasonia Cass. Jaumea Pers. Jefea Strother Jeffreya Cabrera Jeffreycia H.Rob., S.C.Keeley & Skvarla Jensia B.G.Baldwin Jessea H.Rob. & Cuatrec. Joseanthus H.Rob. Jungia L.f. Jurinea Cass. K List of genera is from Plants of the World Online unless otherwise cited. Karelinia Less. Karvandarina Rech.f. Kaschgaria Poljakov Katinasia Bonif. Kaunia R.M.King & H.Rob. Kemulariella Tamamsch. Keysseria Lauterb. Khasianthus H.Rob. & Skvarla Kieslingia Faúndez, Saldivia & A.E.Martic. Kinghamia C.Jeffrey Kingianthus H.Rob. Kippistia F.Muell. Klasea Cass. Klaseopsis L.Martins Kleinia Mill. Koanophyllon Arruda – thoroughwort Koehneola Urb. Koelpinia Pall. Koyamasia H.Rob. Krigia Schreb. – dwarf dandelion Kurziella H.Rob. & Bunwong Kyhosia B.G.Baldwin Kyrsteniopsis R.M.King & H.Rob L List of genera is from Plants of the World Online unless otherwise cited. Lachanodes DC. Lachnophyllum Bunge Lachnorhiza A.Rich. Lachnospermum Willd. Lactuca L. – lettuce Laennecia Cass. Laestadia Kunth ex Less. Lagascea Cav. Lagenocypsela Swenson & K.Bremer Lagenophora Cass.