| Classification | Malvaceae: Malvastrum |
| Classification 1 | Malvaceae: Malacothamnus |
| Barcode(s) | 00052902 |
| Type Status | Isotype |
| Collector | J. T. Howell |
| Collector number | 6470 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Contra Costa County |
| Locality | Nortonville |
| Date Collected | 1931-05-12 |
| Container | Flora of California |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f79f38e7-61bf-4901-b4e6-0799867f3ba0 |
| Harvard University Herbaria Barcode | 00052902 |
| Herbarium | A |
| Previous ownership | [ex] California Academy of Sciences |
| Family | Malvaceae |
| Type Status | Isotype |
| Isotype of | Malvastrum howellii Eastwood |
| Verified by | Morse, Keir |
| Date Determined | 2023-08-** |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | = Malacothamnus fremontii var. fremontii
In: Malacothamnus. 3: 121. 2023. |
| Taxon Reference | (for Malvastrum howellii Eastwood) Leafl. W. Bot. 1936. 1: 220. |
| Family | Malvaceae |
| Determination | Malacothamnus sp. |
| Determined by | Bates, David Martin |
| Date Determined | 1962 |
| Annotation Text | Malacothamnus fascicultaus (Nutt. ex T. & G.) Greene subsp. exfibulosus (Jeps.) Bates, n. comb. [ined] |
| Determination | |
| Determined by | Bates, David Martin |
| Date Determined | 1962 |
| Annotation Text | [ined] |
| Family | Malvaceae |
| Determination | Malvastrum fremontii Torrey ex A. Gray |
| Determination Remarks | [label name] |
| Family | Malvaceae |
| Determination | Malvastrum howellii Eastwood |
| Determined by | Bates, David Martin |
| Annotation Text | Isotype |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |