Children (140 direct children, 143 direct and indirect children):
Koanophyllon panamense
Koanophyllon calcicola
Koanophyllon flexile
Koanophyllon hintoniorum
Koanophyllon rzedowskii
Koanophyllon minutifolium
Koanophyllon tricephalotes
Koanophyllon celtidifolium
Koanophyllon celtidifolia
Koanophyllon sciatraphes
Koanophyllon pittieri
Koanophyllon fuscum
Koanophyllon scabriusculum
Koanophyllon hotteanum
Koanophyllon miragoanae
Koanophyllon tripartitum
Koanophyllon gabbii
Koanophyllon plicatum
Koanophyllon chabrense
Koanophyllon selleanum
Koanophyllon huantae
Koanophyllon monanthum
Koanophyllon hylonomum
Koanophyllon galeanum
Koanophyllon chalceorithales
Koanophyllon semicrenatum
Koanophyllon morinicola
Koanophyllon triradiatum
Koanophyllon gibbosum
Koanophyllon hypomalaca
Koanophyllon clementis
Koanophyllon muricatum
Koanophyllon silvaticum
Koanophyllon polyodon
Islandthicket thoroughwort
Koanophyllon gracilicaule
Koanophyllon conglobatum
Koanophyllon isillumense
Koanophyllon nervosum
Koanophyllon polystictum
Koanophyllon simile
Koanophyllon turquinense
Koanophyllon consanguineum
Koanophyllon nudiflorum
Koanophyllon gracilipes
Koanophyllon iteophyllum
Koanophyllon simillimum
Koanophyllon correlliorum
Koanophyllon obtusissimum
Koanophyllon grandiceps
Koanophyllon porphyrocladum
Koanophyllon jaegerianum
Koanophyllon villosum
(tree size 1)
Florida keys thoroughwort
Koanophyllon coulteri
Koanophyllon grisebachianum
Koanophyllon oligadenium
Koanophyllon prinodes
Koanophyllon jennsenii
Koanophyllon wetmorei
Koanophyllon delpechianum
Koanophyllon guerreroana
Koanophyllon pachyneurum
Koanophyllon solidaginoides
(tree size 1)
Koanophyllon jugipaniculatum
Koanophyllon pseudoperfoliatum
Koanophyllon gundlachii
Koanophyllon dolicholepis
Oreganillo
Koanophyllon sorensenii
Koanophyllon palmeri
(tree size 1)
Koanophyllon juninense
Koanophyllon puberulum
Koanophyllon hammatocladum
Koanophyllon dolphini
Koanophyllon paucicrenatum
Koanophyllon standleyi
Koanophyllon littorale
Koanophyllon hardwarense
Koanophyllon droserolepis
Monte torrecilla thoroughwort
Koanophyllon quisqueyanum
Koanophyllon peninsularis
Koanophyllon subpurpureum
Koanophyllon lobatifolium
Koanophyllon helianthemoides
Koanophyllon phanioides
Koanophyllon dukei
Koanophyllon ravenii
Koanophyllon tapeinanthum
Koanophyllon longifolium
Koanophyllon heptaneurum
Koanophyllon picardae
Koanophyllon ekmanii
Koanophyllon reversum
Koanophyllon maestrense
Koanophyllon tatei
Koanophyllon hidrodes
Koanophyllon pitonianum
Koanophyllon flavidulum
Koanophyllon reyrobinsonii
Koanophyllon microchaetum
Koanophyllon tetranthum
Koanophyllon rhexioides
Koanophyllon thysanolepis
Koanophyllon richardsonii
Koanophyllon tinctorium
Koanophyllon rubroviolaceum
Koanophyllon adamantium
Koanophyllon albicaule
Koanophyllon atroglandulosum
Koanophyllon ayapanoides
Koanophyllon baccharifolium
Koanophyllon barahonense
Koanophyllon breviflorum
Koanophyllon bullescens
Koanophyllon cabaionum
Koanophyllon solidaginifolium
Shrubby thoroughwort
Koanophyllon sinaloense
Koanophyllon andersonii
Koanophyllon longifolia
Koanophyllon potosinum
Koanophyllon pochutlana
Koanophyllon coixtlahuacum
Koanophyllon concordianum
Koanophyllon revealii
Koanophyllon constanzae
Koanophyllon peninsulare
Koanophyllon albicaulis
Koanophyllon stipuliferum
Koanophyllon cubense
Koanophyllon mesoreopolum
Koanophyllon sagasteguii
Koanophyllon mornicola
Koanophyllon eitenii
Koanophyllon jenssenii
Koanophyllon sinaloensis
Koanophyllon galeottii
Koanophyllon jinotegense
Koanophyllon hondurensis
Koanophyllon myrtilloides
Koanophyllon lindenianum
Koanophyllon kavanayense
Koanophyllon incisum
Koanophyllon montanum