| Classification | Cyanobacteria: Cyanophyceae: Nostocales: Rivulariaceae: Calothrix | 
| Harvard University Herbaria Barcode(s) | 00876722 | 
| Collector | [no data available] | 
| Country | China | 
| State | Shandong | 
| Geography | Asia: East Asia (Region): China: Shandong | 
| Locality | Tsingtao | 
| Date Collected | 1936-07-** | 
| Project | Macroalgae TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1b6558c1-6946-4770-8b72-1f35dc6c8a6a | 
| Harvard University Herbaria Barcode | 00876722 | 
| Herbarium | FH | 
| Item Reference | Chin. Mar. Algae Chinese Marine Algae 1936-1937 Fasc. 1-2. Nos 1-50. 14 Oct 1936. Fasc. 3. Nos 51-75. 22 Nov 1936. Fasc. 4. Nos 76-100. 6 Mai 1937 IV 79 | 
| Family | Rivulariaceae | 
| Determination | Calothrix crustacea Thuret ex Bornet & Flahault | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |