In Acta Botanica Neerlandica 5, 1956, p. 323—324 the authors mentioned for the first time the occurrence of Chenopodium chenopodioides (L.) Aellen in the Netherlands from 6 places. During a revision of the Netherlands Chenopodium-species P. Aellen (Basel) found material of 10 more hitherto unknown localities
For the first time in 30 years is Dr. S. J. van Ooststroom no longer one of the composers of ‘the li...
In 2005 is Gouden ribzaad (Chaerophyllum aureum) op drie verschillende locaties (in vier km-hokken) ...
This paper contains a list of new localities of Carex sylvatica Huds. in the “Fluviatiele district” ...
During his stay at the Rijksherbarium, Leiden, in November 1963 P. Aellen (Basel), specialist in Che...
The list of new localities of rare species and interesting records of more common species found in t...
The list of new localities of rare species and interesting records of more common species found in t...
The list of new localities of rare species and interesting records of more common species found in t...
A list of new localities of rare species found in the Netherlands mainly during 1963
An investigation has been made on the distribution of Nymphaea alba and N. Candida in the Netherland...
A list of new localities of rare species and interesting records of more common species found in the...
A list of new localities of rare and interesting species found in the Netherlands mainly during 1964
A list of new localities of rare and interesting species found in the Netherlands mainly during 1969
Quite a number of new records are the results of the improving floristic knowledge, for instance the...
The authors report a new locality in the Netherlands (Zeeland) in which Campanula latifolia L. has b...
A list of new localities of rare species and interesting records of more common species found in the...
For the first time in 30 years is Dr. S. J. van Ooststroom no longer one of the composers of ‘the li...
In 2005 is Gouden ribzaad (Chaerophyllum aureum) op drie verschillende locaties (in vier km-hokken) ...
This paper contains a list of new localities of Carex sylvatica Huds. in the “Fluviatiele district” ...
During his stay at the Rijksherbarium, Leiden, in November 1963 P. Aellen (Basel), specialist in Che...
The list of new localities of rare species and interesting records of more common species found in t...
The list of new localities of rare species and interesting records of more common species found in t...
The list of new localities of rare species and interesting records of more common species found in t...
A list of new localities of rare species found in the Netherlands mainly during 1963
An investigation has been made on the distribution of Nymphaea alba and N. Candida in the Netherland...
A list of new localities of rare species and interesting records of more common species found in the...
A list of new localities of rare and interesting species found in the Netherlands mainly during 1964
A list of new localities of rare and interesting species found in the Netherlands mainly during 1969
Quite a number of new records are the results of the improving floristic knowledge, for instance the...
The authors report a new locality in the Netherlands (Zeeland) in which Campanula latifolia L. has b...
A list of new localities of rare species and interesting records of more common species found in the...
For the first time in 30 years is Dr. S. J. van Ooststroom no longer one of the composers of ‘the li...
In 2005 is Gouden ribzaad (Chaerophyllum aureum) op drie verschillende locaties (in vier km-hokken) ...
This paper contains a list of new localities of Carex sylvatica Huds. in the “Fluviatiele district” ...