Literature

Authors	Year	Title
B. K. Sorrell, Downes M. T.	2004	Water velocity and irradiance effects on internal transport and metabolism of methane in submerged Isoetes alpinus and Potamogeton crispus
B. K. Sorrell	2004	Regulation of root anaerobiosis and carbon translocation by light and root aeration in Isoetes alpinus
R. L. Small, Hickey R. J.	2001	Systematics of the Northern Andean Isoëtes karstenii complex
R. Small, R. Hickey J.	1997	Levels and Patterns of Genetic Variation in Isoëtes karstenii with Observations on I. palmeri
P. K. Shukla, Srivastava, G. K., Shukla, S. K., Rajagopal, P. K.	2005	Two new species of the genus Isoetes L. (Isoetaceae-Lycopsida) from India
S. W. Shaw, Hickey R. J.	2005	Comparative morphology of the glossopodia of three North American Isoetes Ligules
B. D. Sharma, Purohit S. N.	2001	Morphology of labium/velum in Isoetes L.
B. D. Sharma, Bohra D. R.	2002	The ligule of Isoetes - A prophyllar structure
B. D. Sharma	1998	Fungal Associations with Isoetes Species
B. D. Sharma	1998	Anatomy of scales and phyllopodia of Isoetes of Rajasthan
B. D. Sharma	1998	Fungal associations in the roots of three species of Isoetes L.
D. H. Scott, Hill T. G.	1900	The structure of isoetes hystrix: With plates XXIII and xxiv, and two figures in the text
E. Schuettpelz, Hoot S. B.	2006	Inferring the root of Isoëtes: Exploring alternatives in the absence of an acceptable outgroup
D. R. Sandquist, Keeley J. E.	1990	Carbon uptake characteristics in two high elevation populations of the aquatic CAM plant Isoetes bolanderi (Isoetacae)
K. Sand-Jensen	1978	Metabolic adaptation and vertical zonation of Littorella uniflora (L.) Aschers. and Isoetes lacustris L.
Ja Saha, Gupta, Kb, Gupta, Ba	2014	A new insight into the phylogeny of vascular cryptogams with special reference to Selaginella and Isoetes inferred from nuclear ITS/5.8S rDNA sequences
B. Rørslett, Brettum P.	1989	The genus Isoëtes in Scandinavia: An ecological review and perspectives
C. Rydin, Wikström N.	2002	Phylogeny of Isoëtes (Lycopsida): Resolving basal relationships using rbcL sequences
F. J. Rumsey, Vogel, J. C., Stafford, P. J.	2001	The genus Isoetes (Isoetaceae: Pteridophyta) in Mallorca, Balearic Islands
J. P. Roux, Hopper, S. D., Smith, R. J.	2009	Isoetes eludens (Isoetaceae), a new endemic species from the Kamiesberg, Northern Cape, South Africa
J. P. Roux	2013	Isoëtes aemulans, a new species from South Africa
M. A. Rosenthal, Rosenthal, S. R., Johnson, G., W. Taylor, C., Zimmer, E. A.	2014	Isoëtes viridimontana: A Previously Unrecognized Quillwort from Vermont, USA
B. Rorslett, Johansen S. W.	1995	Dynamic response of the submerged macrophyte, Isoetes lacustris, to alternating light levels under field conditions
M. I. Romero, Real C.	2005	A morphometric study of three closely related taxa in the European Isoetes velata complex
M. I. Romero, Amigo, J., Ramil, P.	2004	Isoetes fluitans sp. nov.: The identity of Spanish plants of 'I. longissimum'
M. I. Romero, Amigo J.	1995	Autecology and distribution of Isoetes longissimum in Europe
D. Romeo, Troia, A., Burgarella, C., Bellini, E.	2000	Casparian strips in the leaf intrastelar canals of Isoetes duriei bory, a mediterranean terrestrial species
C. H. Rolleri, Prada C.	2007	Foliar diagnostic characters in Isoetes (Pteridophyta, Isoetaceae)
M. Rhazi, Grillas, P., Rhazi, L., Charpentier, A., Médail, F.	2009	Competition in microcosm between a clonal plant species (Bolboschoenus maritimus) and a rare quillwort (Isoetes setacea) from Mediterranean temporary pools of southern France
M. Rhazi, Grillas, P., Charpentier, A., Médail, F.	2004	Experimental management of Mediterranean temporary pools for conservation of the rare quillwort Isoetes setacea
E. Rekowska	2012	New site of isoëtes echinospora (isoëtaceae) in Poland
C. Prada, Rolleri C. H.	2005	A new species of Isoetes (Isoetaceae) from Turkey, with a study of microphyll intercellular pectic protuberances and their potential taxonomic value
W. Pietsch	1991	On the phytosociology and ecology of Isoëtes asiatica (Makino) Makino in oligotrophic water bodies of South Sakhalin
J. M. Pettitt	1976	Developmental mechanisms in heterospory. III. The plastid cycle during megasporogenesis in Isoetes.
R. L. Peterson, Scott, M. G., Kott, L.	1979	Root cap structure in Isoetes macrospora Dur
L. Peruzzi, Cesca, G., Puntillo, D.	2003	Isoetes (isoetaceae), Ophioglossum and Botrychium (ophioglossaceae) in Calabria (S Italy): More karyological and taxonomical data
J. B. Pereira, Windisch, P. G., Lorscheitter, M. L., Labiak, P. H.	2012	Isoetes mourabaptistae, a new species from Southern Brazil
J. B. Pereira, Mittelbach, M., Labiak, P. H.	2015	Studies on chromosome numbers and spore size in Brazilian Isoëtes
J. B. S. Pereira, Labiak P. H.	2013	A new species of Isoetes with tuberculate spores from southeastern Brazil (Isoetaceae)
O. Pedersen, Rich, S. M., Pulido, C., Cawthray, G. R., Colmer, T. D.	2011	Crassulacean acid metabolism enhances underwater photosynthesis and diminishes photorespiration in the aquatic plant Isoetes australis
O. Pedersen, Pulido, C., Rich, S. M., Colmer, T. D.	2011	In situ O 2 dynamics in submerged Isoetes australis: Varied leaf gas permeability influences underwater photosynthesis and internal O 2
I. Ia Ozyigit, Dogan, Ib, Eskin, Ba, Keskin, Ma, Demir, Gc, Yalcin, I. Ec	2013	Mineral element uptake status of endemic Isoetes anatolica prada & Rolleri populations from Bolu-Turkey
I. I. Ozyigit, Dogan, I., Eskin, B., Keskin, M., Demir, G., Yalcin, I. E.	2013	Mineral element uptake status of endemic Isoetes anatolica prada & Rolleri populations from Bolu-Turkey
T. G. B. Osborn	1922	Some observations on isoetes Drummondii, A.Br.
M. Jin Oh, Kim, C., Na, H. Ryun, Shin, H., Liu, J. R., Choi, H. - K., Kim, S. Weon	2013	High Frequency Sporophytes Regeneration from the Spore Culture of the Endangered Aquatic Fern Isoetes coreana
L. J. Musselman, Taylor, W. C., Bray, R. D.	2001	Isoetes mattaponica (Isoetaceae), a new diploid quillwort from freshwater tidal marshes of Virginia
L. J. Musselman, Roux J. P.	2002	Isoetes toximontana (Isoetaceae), a new quillwort with green megaspores from the Northern Cape of South Africa
L. J. Musselman, Bray, R. D., Knepper, D. A.	1996	Isoetes x bruntonii (Isoetes engelmannii x I. hyemalis), a New Hybrid Quillwort from Virginia
L. J. Musselman, Bray, R. D., Knepper, D. A.	1997	Isoetes x carltaylorii (Isoetes acadiensis x Isoetes engelmannii), a new interspecific quillwort hybrid from the Chesapeake Bay
L. J. Musselman	2002	The only quillwort (Isoetes olympica A. Braun) in Syria is threatened with extirpation