| Classification | Lichens: Catillaria |
| Harvard University Herbaria Barcode(s) | 00781535 |
| Collector | Har. Schaefer |
| Collector number | 1422 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County |
| Locality | Mt. Darby summit area approx 1 mile NE of the East Street trailhead |
| Date Collected | 2021-11-06 |
| Verbatim Elevation | 2027 ft |
| Habitat | Mixed woods with Mountain Laurel (Kalmia latifolia), Acer, Quercus, and Pinus. surrouning open disturbed gravel and stone clearings around a cell tower |
| Container | Bryophyte and Lichen Flora of the South Taconic Range |
| Substrate | on Maple branch |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/115687ff-67f0-4c45-9e2b-9c954f85a5aa |
| Harvard University Herbaria Barcode | 00781535 |
| Herbarium | FH |
| Previous ownership | [ex] Lichen Herbarium of Harold P. Schaefer |
| Determination | Catillaria nigroclavata (Nylander) J. Steiner |
| Determined by | Schaefer, Harold |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |