1-23 of 23 Books

The sea-grasses of the world
By Cornelis den Hartog
Zur Entwickelungsgeschichte der Vallisneria spiralis
Zur Entwickelungsgeschichte der Vallisneria spiralis
By Joseph Franz Müller
Anatomy of Enhalus acoroides (Linn. f.), Zoll
Anatomy of Enhalus acoroides (Linn. f.), Zoll
By Hilda M. Cunnington
Surveys for insects that feed on eurasian watermilfoil, Myriophyllum spicatum, and hydrilla, Hydrilla verticillata, in the People's Republic of China, Japan, and Korea
Surveys for insects that feed on eurasian watermilfoil, Myriophyllum spicatum, and hydrilla, Hydrilla verticillata, in the People's Republic of China, Japan, and Korea
By Gary R. Buckingham
Über den Einfluss der Aufbewahrungstemperatur auf die Dauer der Ruheperiode und die Streckungsbereitschaft der ruhenden Winterknospen von Stratiotes aloides
Über den Einfluss der Aufbewahrungstemperatur auf die Dauer der Ruheperiode und die Streckungsbereitschaft der ruhenden Winterknospen von Stratiotes aloides
By Auseklis Vegis
An account of the janji, or Valisneria alternifolia of Dr. Roxburgh
An account of the janji, or Valisneria alternifolia of Dr. Roxburgh
By Francis Hamilton
Beiträge zur Kenntniss der Vegetativen organe von Limnobium stoloniferum Grisebach
Beiträge zur Kenntniss der Vegetativen organe von Limnobium stoloniferum Grisebach
By Udo Dammer
Monograph of the genus Elodea (Hydrocharitaceae)
Monograph of the genus Elodea (Hydrocharitaceae)
By Harold St. John
[Selected specimens for A revision of the genus Hydrilla (Hydrocharitaceae)
[Selected specimens for A revision of the genus Hydrilla (Hydrocharitaceae)
By Christopher D. K. Cook,Ruth Lüönd,Christopher D. L. Cook
A revision of the genus Egeria (Hydrocharitaceae)
A revision of the genus Egeria (Hydrocharitaceae)
By Christopher D. K. Cook,K. Urmi-König
A revision of the genus Hydrocharis (Hydrocharitaceae)
A revision of the genus Hydrocharis (Hydrocharitaceae)
By Christopher D. K. Cook,Ruth Lüönd
A revision of the genus Elodea (Hydrocharitaceae)
A revision of the genus Elodea (Hydrocharitaceae)
By Christopher D. K. Cook,K. Urmi-König
Drawings of British plants being illustrations of the species of flowering plants growing naturally in the British Isles pt. 28
Drawings of British plants being illustrations of the species of flowering plants growing naturally in the British Isles pt. 28
By Stella Ross-Craig
Ottelia praeterita, F. v. M.
Ottelia praeterita, F. v. M.
By Ferdinand von Mueller
The littoral role of the water-soldier (Stratiotes aloides L.)
The littoral role of the water-soldier (Stratiotes aloides L.)
By Erik S. Brammer
A revision of the genus Blyxa (Hydrocharitaceae)
A revision of the genus Blyxa (Hydrocharitaceae)
By Christopher D. K. Cook,Ruth Lüönd
A new species of Boottia from Hainan
A new species of Boottia from Hainan
By Elmer D. Merrill,Franklin P. Metcalf
Hydrocharitaceae
Hydrocharitaceae
By Paul Ascherson,M. Gürke
Mémoire sur le Vallisneria spiralis L.
Mémoire sur le Vallisneria spiralis L.
By Adolphe Chatin
A revision of the genus Nechamandra (Hydrocharitaceae)
A revision of the genus Nechamandra (Hydrocharitaceae)
By Christopher D. K. Cook,Ruth Lüönd
The karyology of Hydrilla (Hydrocharitaceae) from Ireland and Poland
The karyology of Hydrilla (Hydrocharitaceae) from Ireland and Poland
By Romana Czpik