| Classification | Asteraceae: Helianthus | 
| Harvard University Herbaria Barcode(s) | 00008811 | 
| Type Status | Lectotype | 
| Collector | H. N. Bolander | 
| Collector number | 2623 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Lake County | 
| Locality | About Clear Lake | 
| Date Collected | 1863 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bf1f6b63-4cdd-4e03-92a5-50aae9e4db45 | 
| Harvard University Herbaria Barcode | 00008811 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Lectotype | 
| Lectotype of | Helianthus exilis A. Gray | 
| Verified by | W. T. Kittredge | 
| Date Determined | 2009 | 
| Taxon Reference | (for  Helianthus exilis A. Gray) Proc. Amer. Acad. Arts 1865. 6: 545. | 
| Family | Asteraceae | 
| Determination | Helianthus bolanderi A. Gray | 
| Determined by | C. B. Heiser (UC) | 
| Date Determined | 1946 | 
| Determination Remarks | [current name] | 
| Annotation Text | TYPE H. exilis A. Gray | 
| Family | Asteraceae | 
| Determination | Helianthus exilis A. Gray | 
| Determined by | A. Gray | 
| Determination Remarks | [A. Gray (scripsit)] [label name] | 
| Annotation Text | n. sp. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed | 
| Item Remarks | [mounted with Syntype of Helianthus exilis A. Gray, Van Horn s.n., 274826, and non-type specimen of Greene s.n., 274825] |