| Classification | Pertusariaceae: Pertusaria |
| Harvard University Herbaria Barcode(s) | 00991002 |
| Collector | E. Lay |
| Collector number | 94-0931 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Dukes County |
| Locality | Martha's Vineyard, Katama Plains Nature Preserve and Airfield Unit 4 (A); Site: 94-504 |
| Georeference | 41° 21' 00" N, 70° 30' 00" W |
| Date Collected | 1994-11-04 [11/04/94] |
| Habitat | Grassland. Open area burned April 1987+1991. Oaks [Quercus] and pines [Pinus]. Dead trees colonized best--very few specs in grass. |
| Container | Lichens of Massachusetts, USA |
| Substrate | [on bark, corticolous]; Corticolous |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3486e753-12f2-4828-9f29-9b4d85944325 |
| Harvard University Herbaria Barcode | 00991002 |
| Herbarium | FH |
| Previous ownership | Gift of Philip F. May |
| Family | Pertusariaceae |
| Determination | Pertusaria tetrathalamia (Fée) Nylander |
| Determined by | Lay, Elisabeth |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Annotation Text | Pert. tetrathalamia (bec. spore size smaller than macounii), maybe macounii. 90 x 30, 100 x 37, UV+ orange, M: P+, K+ yellow, C: K-. KC-, C-; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
