Bryophytes, Lichens, Algae and Fungi 53
- Withering 1787–92, 767
- Swanton
- Swanton
- Swanton;Sussex County Magazine,
no. 6 (1932), 709 - IFC S 22: 119
- Dillenius, 25
- R. Watling, in litt.
- Davies 1813, 117
- Beith
- Logan, 47
- Watling; Watling & Seaward
- Parkinson, 1324
95. Hatfield, 32
96. Swanton
97. Evans 1966, 90
98. Newman & Wilson
99. Beith - Hatfield MS
- Parkinson, 1324
- Wigby, 67
- Glassie, 308
- McClafferty
- Hatfield, 20
- Swanton