| Title | Notulae Naturae of the Academy of Natural Sciences of Philadelphia. Philadelphia, PA |
| Abbreviation | Notul. Nat. Acad. Nat. Sci. Philadelphia |
| Publication Dates | Vol. 1+, 1939/1942+ |
| BPH | 669.01 |
The Harvard University Herbaria hold 37 type specimens of taxa described in this publication
Brachythecium pennellii E. B. Bartram [Holotype] 1951, 229: 3Brachythecium pennellii E. B. Bartram [Holotype] 1951, 229: 3
Rhododendron adinophyllum Merrill [Type] 1940, 47: 3
Rhododendron vanderbiltianum Merrill [Type] 1940, 47: 5
Rhododendron ripleyi Merrill [Type] 1940, 47: 4
Gentiana ulmeri Merrill [Holotype] 1940, 47: 8
Gentiana pachyphylla Merrill [Holotype] 1940, 47: 7
Pedicularis anaticeps Pennell [Isotype] 1942, 95: 10
Pedicularis anaticeps Pennell [Isotype] 1942, 95: 10
Pedicularis pulchella Pennell [Isotype] 1942, 95: 7
Pedicularis pulchella Pennell [Isotype] 1942, 95: 7
Phlox oklahomensis Wherry [Isotype] 1944, 146: 2
Phlox hoodii subsp. viscidula Wherry [Isotype] 1944, 146: 11
Veronica platycarpa Pennell [Isotype] 1939, 23: 1
Herpestis ciliata Pennell [Type] 1940, 46: 2
Herpestis connata Pennell [Type] 1940, 46: 3
Mimulus microcarpus Pennell [Isotype] 1941, 71: 1
Calceolaria connatifolia Pennell [Isotype] 1951, 236: 2
Penstemon attenuatus subsp. hyacinthinus Pennell [Isotype] 1941, 71: 8
Penstemon cephalanthus Pennell [Isotype] 1942, 95: 3
Penstemon cephalanthus Pennell [Isotype] 1942, 95: 3
Penstemon caelestinus Pennell [Isotype] 1942, 95: 1
Penstemon spatulatus Pennell [Isotype] 1941, 71: 10
Penstemon flavescens Pennell [Isotype] 1942, 95: 4
Penstemon brachyanthus Pennell [Isotype] 1941, 71: 3
Penstemon peckii Pennell [Isotype] 1941, 71: 12
Penstemon peckii Pennell [Isotype] 1941, 71: 12
Penstemon subserratus Pennell [Isotype] 1941, 71: 13
Penstemon truncatus var. puberulus Pennell [Isotype] 1941, 71: 5
Stemodia arizonica Pennell [Isotype] 1940, 43: 3
Castilleja glandulifera Pennell [Isotype] 1941, 74: 8
Castilleja glandulifera Pennell [Isotype] 1941, 74: 8
Castilleja glandulifera Pennell [Isotype] 1941, 74: 8
Castilleja nivea Pennell & Ownbey [Isotype] 1950, 227: 2
Castilleja nivea Pennell & Ownbey [Isotype] 1950, 227: 2
Castilleja hispida subsp. acuta Pennell [Isotype] 1941, 74: 11
Primula sumatrana Merrill [Isotype] 1940, 47: 6