A redefinition of Penstemon arkansanus Pennell (Scrophulariaceae)Published in PHYTOLOGIA, in 1967, in volume 15, issue 4, pages 233-235Created: 2016-05-06, modified: 2016-05-06
SHORTER NOTESPublished in Torreya, in 1911, in volume 11, issue 6, pages 130-131Created: 2022-12-14, modified: 2022-12-14
A PLEA FOR AUREOLARIAPublished in Rhodora, in 1918, in volume 20, issue 236, pages 133-137Created: 2016-07-19, modified: 2016-07-19
PROCEEDINGS OF THE CLUBPublished in Torreya, in 1920, in volume 20, issue 6, pages 128-132Created: 2022-12-14, modified: 2022-12-14
PROCEEDINGS OF THE CLUBPublished in Torreya, in 1920, in volume 20, issue 5, pages 104-106Created: 2022-12-14, modified: 2022-12-14
PROCEEDINGS OF THE CLUBPublished in Torreya, in 1920, in volume 20, issue 4, pages 89-90Created: 2022-12-14, modified: 2022-12-14
SOME REMARKS UPON LIMOSELLAPublished in Torreya, in 1919, in volume 19, issue 2, pages 30-32Created: 2022-12-14, modified: 2022-12-14
SOIL PREFERENCES OF SCROPHULARIACEAEPublished in Torreya, in 1920, in volume 20, issue 1, pages 10-11Created: 2022-12-14, modified: 2022-12-14
Diplacus brandeegei (Pennell) Nesom (Phrymaceae) is the correct name for the insular endemic, not Diplacus latifolius (A. Gray) NesomPublished in Phytoneuron, in 2012, in volume 2012-54, pages 1Created: 2016-04-29, modified: 2016-04-29
SOME OVERLOOKED SCROPHULARIACEAE OF RAFINESQUEPublished in Torreya, in 1922, in volume 22, issue 5, pages 77-84Created: 2022-12-14, modified: 2022-12-14
SHORTER NOTESPublished in Torreya, in 1911, in volume 11, issue 1, pages 15-17Created: 2022-12-14, modified: 2022-12-14
SHORTER NOTESPublished in Torreya, in 1919, in volume 19, issue 1, pages 12-14Created: 2022-12-14, modified: 2022-12-14
SCROPHULARIACEAE OF THE LOCAL FLORA. VPublished in Torreya, in 1919, in volume 19, issue 12, pages 235-242Created: 2022-12-14, modified: 2022-12-14
SCROPHULARIACEAE OF THE LOCAL FLORA. IPublished in Torreya, in 1919, in volume 19, issue 6, pages 107-119Created: 2022-12-14, modified: 2022-12-14
'VERONICA' IN NORTH AND SOUTH AMERICAPublished in Rhodora, in 1921, in volume 23, issue 265, pages 1-22Created: 2016-07-19, modified: 2016-07-19
Asplenium angustifolium in LouisianaPublished in American Fern Journal, in 1913, in volume 3, pages 16-17Created: 2017-04-23, modified: 2017-04-23
SCROPHULARIACEAE OF THE LOCAL FLORA. IV (Continued)Published in Torreya, in 1919, in volume 19, issue 11, pages 205-216Created: 2022-12-14, modified: 2022-12-14
SCROPHULARIACEAE OF THE LOCAL FLORA. III (Continued)Published in Torreya, in 1919, in volume 19, issue 9, pages 161-171Created: 2022-12-14, modified: 2022-12-14
SCROPHULARIACEAE OF THE LOCAL FLORA. II (Continued)Published in Torreya, in 1919, in volume 19, issue 8, pages 143-152Created: 2022-12-14, modified: 2022-12-14
PROCEEDINGS OF THE CLUBPublished in Torreya, in 1920, in volume 20, issue 3, pages 59-65Created: 2022-12-14, modified: 2022-12-14
INFRASPECIFIC VARIATION IN GRATIOLA-VISCIDULA PENNELL (SCROPHULARIACEAE)Published in Rhodora, in 1984, in volume 86, issue 845, pages 79-87Created: 2014-06-16, modified: 2016-07-26
'VERONICA' IN NORTH AND SOUTH AMERICA (Continued)Published in Rhodora, in 1921, in volume 23, issue 266, pages 29-41Created: 2016-07-19, modified: 2016-07-19
A SECOND SUMMARY OF THE SCROPHULARIACEAE OF NEW GUINEAPublished in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 3, pages 243-274Created: 2016-07-07, modified: 2016-07-07
NEW SPECIES OF SOUTH AMERICAN PLANTSPublished in Torreya, in 1921, in volume 21, issue 2, pages 34-35Created: 2022-12-14, modified: 2022-12-14
Penstemon gracilis Nutt., var. wisconsinensis (Pennell), n. combPublished in Rhodora, in 1947, in volume 49, issue 588, pages 293Created: 2014-06-16, modified: 2016-07-26
Diet analysis of the western grey kangaroo (Macropus fuliginosus) in Wyperfeld National Park by microscopic faecal analysisPublished in Victorian Naturalist, in 1987, in volume 104, pages 32-38Created: 2018-08-07, modified: 2018-08-07
PROCEEDINGS OF THE CLUBPublished in Torreya, in 1917, in volume 17, issue 9, pages 164-168Created: 2022-12-14, modified: 2022-12-14
ON THE TYPIFICATION OF LINNEAN SPECIES AS ILLUSTRATED BY POLYGALA VERTICILLATAPublished in Rhodora, in 1939, in volume 41, issue 488, pages 378-384Created: 2016-07-19, modified: 2016-07-19
A new Indian paint-brush from Mount RainierPublished in Proceedings of The Biological Society of Washington, in 1937, in volume 50, pages 207-209Created: 2011-07-31, modified: 2011-07-31
Scrophulariaceae of Colombia: IPublished in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1920, in volume 72, pages 136-188Created: 2013-03-02, modified: 2013-03-02
BACOPA EGENSIS (POEPPIG) PENNELL (SCROPHULARIACEAE) IN THE UNITED STATESPublished in Sida, Contributions To Botany, in 1969, in volume 3, issue 5, pages 313-318Created: 2015-12-02, modified: 2015-12-02
BOTANICAL RESULTS OF THE ARCHBOLD EXPEDITIONS NEW AND NOTEWORTHY PAPUAN SCROPHULARIACEAE. IIPublished in Journal of The Arnold Arboretum, in 1939, in volume 20, issue 1, pages 75-84Created: 2016-07-07, modified: 2016-07-07
Kickxia incana (Wall.) Pennell. (Scrophulariaceae): A new plant record for KarnatakaPublished in Journal of The Bombay Natural History Society, in 1995, in volume 92, issue 3, pages 441-442Created: 2015-10-13, modified: 2015-10-13
The angler-naturalist: a popular history of British freshwater fish; with a plain explanation of the rudiments of ichthyology. By H. Cholmondeley Pennell. London: Van Voorst. 1863. 12 moPublished in Annals And Magazine of Natural History, in 1863, in volume 12, pages 310-312Created: 2011-09-28, modified: 2011-09-28
The Scrophulariaceae of Eastern Temperate North America. Monographs of the Academy of Natural Sciences of Philadelphia, Number 1 by Francis W. PennellPublished in Madroño, in 1936, in volume 3, issue 6, pages 253-255Created: 2016-02-15, modified: 2016-07-07
Gentiana Pennelliana, nom. nov. Diploma tenuifolia Raf. Fl. Tell. iii. 27 (1837). Dasystephana tenuifolia (Raf.) Pennell in Bull. Torr. Bot. Cl. xlvi. 183 (1919). G. tenuifolia (Raf.) Fernald in Rhodora, xli. 557 (1939), not Petrie in Trans. N. Z. Inst. xlv. 270 (1913)Published in Rhodora, in 1940, in volume 42, issue 497, pages 198Created: 2016-07-19, modified: 2016-07-26
Arenaria gypsostrata B. L. Turner, a new name for A. hintoniorum B. L. Turner, not A hintoniorum B. L. TurnerPublished in Phytologia, in 1993, in volume 75, issue 6, pages 481Created: 2016-05-05, modified: 2016-05-06
A New Neotropical Chrysops (Diptera, Tabanidae)Published in Psyche: A Journal of Entomology, in 1953, in volume 60, issue 3, pages 115-118Created: 2017-05-04, modified: 2017-05-04
A revision of the horse fly genus Agkistrocerus Philip (Diptera: Tabanidae)Published in Pan-Pacific Entomologist, in 1990, in volume 66, issue 3, pages 181-194Created: 2018-07-03, modified: 2018-07-03
Birds from NepalPublished in Fieldiana. Zool., in 1957, in volume 41, pages 1-218Created: 2009-12-23, modified: 2021-04-05
Phaeocollybia in Western CanadaPublished in Mycotaxon, in 1993, in volume 46, pages 343-358Created: 2025-04-22, modified: 2025-04-22
A New Combination in Melanthium L. (Liliaceae)Published in Novon, in 1998, in volume 8, issue 4, pages 332Created: 2014-06-14, modified: 2014-06-14
Oftiaceae, a new name for a family of MagnoliophytaPublished in Phytologia, in 1993, in volume 74, issue 4, pages 284-285Created: 2016-05-05, modified: 2016-05-06
A new oak aphid from UtahPublished in Entomological News, in 1949, in volume 60, pages 240-241Created: 2011-06-03, modified: 2021-04-05
A new grass aphid from UtahPublished in Entomological News, in 1950, in volume 61, pages 41-42Created: 2011-06-03, modified: 2021-04-05
Phragmosporangium uniseriatum in BrazilPublished in Mycotaxon, in 2007, in volume 102, pages 179-182Created: 2025-04-20, modified: 2025-04-20
A naturally occurring hybrid between Asclepias syriaca L. and A. purpurascens L. (Apocynaceae, Asclepiadoideae)Published in Phytologia, in 2014, in volume 96, issue 2, pages 130-134Created: 2016-06-29, modified: 2016-06-29
A new species of Marsilea L. (Marsileaceae) from AustraliaPublished in Muelleria, in 1993, in volume 8, issue 1, pages 65-67Created: 2016-09-04, modified: 2023-02-16
Neue Wirbelthiere von ChilePublished in Archiv für Naturgeschichte, in 1861, in volume 27, issue 1, pages 289-301Created: 2010-03-21, modified: 2011-06-21
A new Inonotus (Basidiomycota, Hymenochaetaceae) from Hawai'iPublished in Mycotaxon, in 2002, in volume 81, pages 91-94Created: 2025-04-20, modified: 2025-04-20