Suchergebnisse - Johnson, Duncan S.

The fruit of opuntia fulgida: a study of perennation and proliferation in the fruits of certain cactaceæ

von Johnson, Duncan S.

Inhaltsverzeichnis

On the Development of the Leaf and Sporocarp in Marsilia quadrifolia, L.: dissertation

von Johnson, Duncan S.

The development of the shoot, male flower and seedling of Batis maritima L.

von Johnson, Duncan S.

Development of antheridium and spermatozoid in Plagiochila adiantoides Lindb. (Swartz)

von Johnson, Duncan S.

The influence of insolation on the distribution and the developmental sequence of the flowers of the giant cactus of Arizona

von Johnson, Duncan S.

On the development of Saururus cernuus L.

von Johnson, Duncan S.

Structure and development of Regnellidium diphyllum

von Johnson, Duncan S., Chrysler, Mintin A.

Littoral vegetation on a headland of Mt. Desert Islands, Maine

Band 1 - Submersible or strictly littoral vegetation

von Johnson, Duncan S., Skutch, Alexander Frank

A maritime station for Schistostega osmundacea

von Johnson, Duncan S.

Invasion of virgin soil in the tropics

von Johnson, Duncan S.

On the dEndosperm and embryo pf Peperomia pellucida

von Johnson, Duncan S.

On the leaf and sporocarp of Pilularia

von Johnson, Duncan S.

Littoral vegetation on a headland of Mt. Desert Islands, Maine

Band 2 - Tide-pools and the environment and classification of submersible plant communities

von Johnson, Duncan S., Skutch, Alexander Frank

The relation of plants to tide-levels: a study of factors affecting the distribution of marine plants

von Johnson, Duncan S., York, Harlan H. 1875-1961

On the development of the leaf and sporocarp in Marsilia quadrifolia, L.

von Johnson, Duncan S.

Littoral vegetation on a headland of Mt. Desert Islands, Maine

von Johnson, Duncan S., Skutch, Alexander Frank