| Classification | Rhodophyta: Ceramiaceae: Callithamnion | 
| Classification 1 | Rhodophyta: Rhodophyceae: Acrochaetiaceae: Audouinella | 
| Classification 2 | Rhodophyta: Rhodophyceae: Lemaneaceae: Chantransia | 
| Classification 3 | Rhodophyta: Rhodophyceae: Acrochaetiaceae: Acrochaetium | 
| Barcode(s) | 00304003 | 
| Type Status | Possible Isotype | 
| Collector | C. W. von Nägeli | 
| Country | United Kingdom | 
| Geography | Europe: Europe (Region) (Region): United Kingdom: England: Devon | 
| Locality | England, Torquay | 
| Date Collected | 1845 | 
| Habitat | Auf Enteromorpha compressa | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ea06c96f-bfca-4792-b805-3a4229aaf200 | 
| Harvard University Herbaria Barcode | 00304003 | 
| Herbarium | FH | 
| Previous ownership | Aus dem Herbar Naegeli | 
| Exsiccata |  Phykotheca Universalis, Sammlung getrockneter Algen sämmtlicher Ordnungen und aller Gebiete | 
| Family | Ceramiaceae | 
| Type Status | Possible Isotype | 
| Possible Isotype of |  Callithamnion microscopicum Nägeli ex Kützing | 
| Family | Acrochaetiaceae | 
| Determination |  Audouinella microscopica (Nägeli ex Kützing) Woelkerling | 
| Determined by | W. J. Woelkerling | 
| Date Determined | 1972 | 
| Determination Remarks |  [current name] | 
| Annotation Text | [in litterature Rhodora 74: 85-96. 1972.] | 
| Family | Lemaneaceae | 
| Determination |  Chantransia secundata (Lyngbye) Thuret | 
| Determination Remarks |  [label name] | 
| Annotation Text | Acrochaetium microscopicium Naeg. | 
| Family | Acrochaetiaceae | 
| Determination |  Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli | 
| Subcollection | Phykotheca Universalis, Sammlung getrockneter Algen sämmtlicher  | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |