n.a sporangium containing four asexual spores

Photoperiodic control of tetrasporangium formation in the red alga Rhodochorton purpureum.
Studies in the DictyotaceaeI. The Cytology of the Tetrasporangium and the Germinating Tetraspore
Second meiotic division in the tetrasporangium of Chondria Dasyphyllla (Woodw.) C. ag
Second Meiotic Division in the Tetrasporangium of Chondria Dasyphylla (Woodw.) C.Ag.
Das Tetrasporangium der Florideen, ein Vorläufer der sexuellen Fortpflanzung
Das Tetrasporangium bei den Florideen
Antifungal Activity of Agro-Materials against Pear Scab (Venturia nashicola) and Pear Rust (Gymnosporangium asiaticum) Fungi
Kibdelosporangium phytohabitans sp. nov., a novel endophytic actinomycete isolated from oil-seed plant The occurrence of Gym-nosporangium globosum on Pyrus malus in Iowa
Notes : Abstracts of Presentations - Two Gymnosporangium species New to Korea