| Classification | Malvaceae: Malvastrum | 
| Classification 1 | Malvaceae: Malacothamnus | 
| Harvard University Herbaria Barcode(s) | 00420507 | 
| Type Status | Syntype | 
| Collector | J. C. Nevin | 
| Collector number | 662 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Orange County: San Juan Capistrano | 
| Locality | [No Additional Data] | 
| Date Collected | 1881 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/685da80b-6611-497b-b8d6-d343cb8f6d04 | 
| Harvard University Herbaria Barcode | 00420507 | 
| Herbarium | GH | 
| Family | Malvaceae | 
| Type Status | Syntype | 
| Syntype of | Malvastrum densiflorum S. Watson | 
| Verified by | Morse, Keir | 
| Date Determined | 2023-08-** | 
| Determination Remarks | [filed under] [current name] | 
| Annotation Text | ≡Malacothamnus densiflorus (S. Watson) Greene, Leafl. Bot. Observ. Crit. 1: 208. 1906.
In: Malacothamnus .3: 77. 2023. | 
| Taxon Reference | (for  Malvastrum densiflorum S. Watson) Proc. Amer. Acad. Arts 1882. 17: 368. | 
| Family | Malvaceae | 
| Determination | Malacothamnus sp. | 
| Determined by | Bates, David Martin | 
| Date Determined | 1962 | 
| Annotation Text | "Malacothamnus fasciculatus (Nutt. ex T. & G.) Greene subsp. densiflorus (Wats.) Bates, n. comb. [ined.]" | 
| Determination |  | 
| Determined by | Bates, David Martin | 
| Date Determined | 1962 | 
| Family | Malvaceae | 
| Determination | Malvastrum viscidum Abrams | 
| Determined by | Johnston, Ivan Murray | 
| Date Determined | 1923 | 
| Annotation Text | [in pencil on sheet] | 
| Family | Malvaceae | 
| Determination | Malvastrum densiflorum S. Watson | 
| Determination Remarks | [label name] | 
| Family | Malvaceae | 
| Determination | Malvastrum densiflorum S. Watson | 
| Annotation Text | [in pencil on sheet] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |