Helenium apterum (S. F. Blake) Bierner |
Accepted |
17 |
Helenium arizonicum S. F. Blake |
Accepted |
15 |
Helenium aromaticum (Hook.) L. H. Bailey |
Accepted |
17 |
Helenium atacamense Cabrera |
Accepted |
17 |
Helenium autumnale L. |
Accepted |
17 |
Helenium bigelovii A. Gray |
Accepted |
16 |
Helenium bolanderi A. Gray |
Accepted |
16 |
Helenium brevifolium (Nutt.) A. Wood |
Accepted |
13 |
Helenium campestre Small |
Accepted |
14 |
Helenium drummondii H. Rock |
Accepted |
16 |
Helenium elegans DC. |
Accepted |
13 |
Helenium elegans var. amphibolum (A. Gray) Bierner |
Accepted |
13 |
Helenium flexuosum Raf. |
Accepted |
14 |
Helenium glaucum (Cav.) Stuntz |
Accepted |
17 |
Helenium integrifolium Sessé & Moc. |
Accepted |
15 |
Helenium laciniatum A. Gray |
Accepted |
13 |
Helenium linifolium Rydb. |
Accepted |
14 |
Helenium mexicanum Kunth |
Accepted |
13 |
Helenium microcephalum DC. |
Accepted |
13 |
Helenium microcephalum var. ooclinium (A. Gray) Bierner |
Accepted |
13 |
Helenium ovallense Bierner |
Accepted |
17 |
Helenium pinnatifidum (Schwein.) Rydb. |
Accepted |
16 |
Helenium puberulum DC. |
Accepted |
29 |
Helenium quadridentatum Labill. |
Accepted |
13 |
Helenium radiatum (Less.) Seckt |
Accepted |
34 |
Helenium scorzoneraefolium (DC.) A. Gray |
Accepted |
17 |
Helenium tenuifolium Nutt. |
Accepted |
15 |
Helenium thurberi A. Gray |
Accepted |
13 |
Helenium urmenetae (Phil.) Cabrera |
Accepted |
17 |
Helenium vallenariense (Phil.) Bierner |
Accepted |
17 |
Helenium vernale Walter |
Accepted |
17 |
Helenium virginicum S. F. Blake |
Accepted |
13 |
Helenium amarum (Raf.) H. Rock |
Unresolved |
15 |
Helenium amarum var. badium Waterf. |
Unresolved |
15 |
Helenium brevifolium A. Gray |
Unresolved |
13 |
Helenium decurrens (J. F. Macbr.) Moldenke |
Unresolved |
20 |
Helenium mexicanum A. Gray |
Unresolved |
14 |
Helenium mexicanum DC. |
Unresolved |
13 |
Helenium quadridentatum Hook. |
Unresolved |
13 |
Helenium amarum |
Synonym of Helenium amarum (Raf.) H. Rock |
15 |
Helenium badium (A. Gray) Greene |
Synonym of Helenium amarum var. badium Waterf. |
15 |
Helenium autumnale var. montanum (Nutt.) Fernald |
Synonym of Helenium autumnale L. |
17 |
Helenium curtisii A. Gray |
Synonym of Helenium brevifolium (Nutt.) A. Wood |
13 |
Helenium donianum (Hook. & Arn.) Cabrera |
Synonym of Helenium donianum (Hook. & Arn.) Seckt |
34 |
Helenium elegans var. elegans |
Synonym of Helenium elegans DC. |
13 |
Helenium nudiflorum Nutt. |
Synonym of Helenium flexuosum Raf. |
14 |
Hymenoxys integrifolia (Kunth) Bierner |
Synonym of Helenium integrifolium (Kunth) Benth. & Hook. ex Hemsl. |
15 |
Helenium microcephalum var. microcephalum |
Synonym of Helenium microcephalum DC. |
13 |
Helenium decurrens (Less.) Vatke |
Synonym of Helenium puberulum DC. |
29 |
Helenium alternifolium (Spreng.) Cabrera |
Synonym of Helenium radiatum (Less.) Seckt |
34 |
Hecubaea scorzoneraefolia DC. |
Synonym of Helenium scorzoneraefolium (DC.) A. Gray |
17 |
Helenium urmenetae var. urmenetae |
Synonym of Helenium urmenetae (Phil.) Cabrera |
17 |
Helenium hoopesii A. Gray |
Synonym of Hymenoxys hoopesii (A. Gray) Bierner |
15 |