![Characteristic structures of Pinus pollen grains. (a) Axial section... | Download Scientific Diagram Characteristic structures of Pinus pollen grains. (a) Axial section... | Download Scientific Diagram](https://www.researchgate.net/publication/322766348/figure/fig3/AS:588184530464773@1517245528227/Characteristic-structures-of-Pinus-pollen-grains-a-Axial-section-images-of-the-hollow.png)
Characteristic structures of Pinus pollen grains. (a) Axial section... | Download Scientific Diagram
![Common pollen grains in SVI core samples: (A) Abies, Pinus, and Picea;... | Download Scientific Diagram Common pollen grains in SVI core samples: (A) Abies, Pinus, and Picea;... | Download Scientific Diagram](https://www.researchgate.net/publication/237865908/figure/fig2/AS:670703145713667@1536919499318/Common-pollen-grains-in-SVI-core-samples-A-Abies-Pinus-and-Picea-B-Pseudotsuga.png)
Common pollen grains in SVI core samples: (A) Abies, Pinus, and Picea;... | Download Scientific Diagram
![LM micrographs of dispersed fossil Pinaceae pollen. A. Pinus subgenus... | Download Scientific Diagram LM micrographs of dispersed fossil Pinaceae pollen. A. Pinus subgenus... | Download Scientific Diagram](https://www.researchgate.net/publication/292213527/figure/fig6/AS:668311213842441@1536349218274/LM-micrographs-of-dispersed-fossil-Pinaceae-pollen-A-Pinus-subgenus-Strobus-sp.jpg)
LM micrographs of dispersed fossil Pinaceae pollen. A. Pinus subgenus... | Download Scientific Diagram
![Pollen grains showing a variety of apertures and textures: (a) Pinus... | Download Scientific Diagram Pollen grains showing a variety of apertures and textures: (a) Pinus... | Download Scientific Diagram](https://www.researchgate.net/publication/295912767/figure/fig17/AS:669505877454856@1536634048534/Pollen-grains-showing-a-variety-of-apertures-and-textures-a-Pinus-sylvestris-pine.png)
Pollen grains showing a variety of apertures and textures: (a) Pinus... | Download Scientific Diagram
![Figure 1 from Pollen size and viability in hybrid swarm populatio ns of Pinus mugo Turra and Pinus sylvestris L . | Semantic Scholar Figure 1 from Pollen size and viability in hybrid swarm populatio ns of Pinus mugo Turra and Pinus sylvestris L . | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/edbeaa9f13b320e0079d5b48c6e3e1fea78fd854/4-Figure1-1.png)
Figure 1 from Pollen size and viability in hybrid swarm populatio ns of Pinus mugo Turra and Pinus sylvestris L . | Semantic Scholar
1: Images of some commonly encountered pollen types: (a) Pine (Pinus... | Download Scientific Diagram
![Needles and seed cones of Pinus premassoniana sp. nov., and associated pollen cone from the upper Miocene in East China - ScienceDirect Needles and seed cones of Pinus premassoniana sp. nov., and associated pollen cone from the upper Miocene in East China - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0034666713000924-pl5.jpg)
Needles and seed cones of Pinus premassoniana sp. nov., and associated pollen cone from the upper Miocene in East China - ScienceDirect
![Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries](https://asset.library.wisc.edu/1711.dl/6OX2NBIJ3FZ6F8R/M/h1380-cd74a.jpg)
Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries
![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 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](https://c8.alamy.com/comp/RDYEHD/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-body-cells-and-the-body-cell-passes-into-the-pollen-tube-where-either-it-divides-into-two-figs-494-500-male-gametophyte-of-pinus-494-the-forming-tetrad-of-spores-pollen-grains-within-the-mother-cell-495-young-pollen-grains-forming-wings-496-a-single-mature-pollen-grain-497-first-vegetative-cell-cut-ofif-498-second-vegetative-cell-cut-os-first-one-disorganizing-499-division-RDYEHD.jpg)