| Name | Malacothrix saxatilis var. arachnoidea (E. A. McGregor) E. W. Williams |
| Authorship | (E. A. McGregor) E. W. Williams |
| Rank | Variety |
| Placed in | Malacothrix saxatilis (Nuttall) Torrey & A. Gray |
| GUID | urn:lsid:ipni.org:names:149706-2 |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Malacothrix saxatilis var. arachnoidea (E. A. McGregor) E. W. Williams |
| Identification made in | [no date] (8), 1973 (7) |
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