;CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to mailto:evolseq@tauex.tau.ac.il >Helenium apterum 17 >Helenium arizonicum 15 >Helenium aromaticum 17 >Helenium atacamense 17 >Helenium autumnale 16 >Helenium bigelovii 16 >Helenium bolanderi 16 >Helenium brevifolium 13 >Helenium campestre 14 >Helenium donianum 17 >Helenium drummondii 16 >Helenium elegans 13 >Helenium elegans var. amphibolum 13 >Helenium flexuosum 14 >Helenium glaucum 17 >Helenium integrifolium 15 >Helenium laciniatum 13 >Helenium linifolium 14 >Helenium mexicanum 13 >Helenium microcephalum 13 >Helenium microcephalum var. ooclinium 13 >Helenium ovallense 17 >Helenium pinnatifidum 16 >Helenium puberulum 20 >Helenium quadridentatum 13 >Helenium radiatum 34 >Helenium scorzoneraefolium 13 >Helenium tenuifolium 15 >Helenium thurberi 13 >Helenium urmenetae 17 >Helenium vallenariense 17 >Helenium vernale 17 >Helenium virginicum 13 >Hymenoxys hoopesii 15