Pine pollen fixed and stained all cells visible - 40x and 100x objectives - UWDC - UW-Madison Libraries
Figure 1 from Pollen size and viability in hybrid swarm populatio ns of Pinus mugo Turra and Pinus sylvestris L . | Semantic Scholar
Pine, Pinus phanerogam, pollen, 1000:1 - Digital Collection
Microscopic Pine Pollen - Rocky Mountain National Park (U.S. National Park Service)
A textbook of botany for colleges and universities ... Botany. 224 MORPHOLOGY carineae the vegetative cells are numerous (as in podocarps). As in Taxaceae, the generative cell divides into stalk and