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An image depicting a Pleospora herbarum in macrospore stage. A, Conidium on Stalk; b, Conidium after falling from Stalk; c, Another Form of Conidium, more typical of Sarcinula stage.

Pleospora Herbarum

An image depicting a Pleospora herbarum in macrospore stage. A, Conidium on Stalk; b, Conidium after…

"Macrosporangium of Selaginella, containing four macrospores."—Finley, 1917

Macrosporangium of Selaginella

"Macrosporangium of Selaginella, containing four macrospores."—Finley, 1917