Crataegus L.
Hawthorn
[An article has not been written yet.]
Hawthorn (Crataegus) · 5/19/2017 · Beaver Brook Conservation Area, Brown Lane, Self-guided Nature Trail, Hollis, New Hampshire · ≈ 7 × 4½″ (16 × 12 cm)
Species not yet identified 
Hawthorn (Crataegus) · 5/19/2017 · Beaver Brook Conservation Area, Brown Lane, Self-guided Nature Trail, Hollis, New Hampshire · ≈ 4 × 3½″ (10 × 9.2 cm)
Species not yet identified 
Hawthorn (Crataegus) · 9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, Massachusetts · ≈ 6 × 4″ (15 × 10 cm)
Species not yet identified 
Hawthorn (Crataegus) · 9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, Massachusetts · ≈ 7 × 5″ (17 × 13 cm)
Species not yet identified 
Hawthorn (Crataegus) · 5/19/2017 · Beaver Brook Conservation Area, Brown Lane, Self-guided Nature Trail, Hollis, New Hampshire · ≈ 4 × 3½″ (10 × 8.7 cm)
Species not yet identified 
Hawthorn (Crataegus) · 5/19/2017 · Beaver Brook Conservation Area, Brown Lane, Self-guided Nature Trail, Hollis, New Hampshire · ≈ 5 × 4″ (12 × 10 cm)
Species not yet identified 
Hawthorn (Crataegus) · 5/19/2017 · Beaver Brook Conservation Area, Brown Lane, Self-guided Nature Trail, Hollis, New Hampshire · ≈ 7 × 4½″ (18 × 12 cm)
Species not yet identified 
Hawthorn (Crataegus) · 9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, Massachusetts · ≈ 7 × 4½″ (17 × 11 cm)
Species not yet identified 
Hawthorn (Crataegus) · 9/9/2010 · Pine Meadow Conservation Trust Land, Groton Harvard Road, Ayer, Massachusetts · ≈ 9 × 6″ (22 × 14 cm)
Species not yet identified 
Hawthorn (Crataegus) · 5/19/2017 · Beaver Brook Conservation Area, Brown Lane, Self-guided Nature Trail, Hollis, New Hampshire · ≈ 7 × 4½″ (18 × 12 cm)
Species not yet identified 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Rosidae | Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more |
| Order | Rosales | Rose family and eight others |
| Family | Rosaceae | Includes apples, apricots, plums, cherries, peaches, pears, raspberries, strawberries, almonds, roses, meadowsweets, photinias, firethorns, rowans, and hawthorns; many others |
| Genus | Crataegus | From an ancient Greek name for a flowering thorn used by Theophrastus |
Crataegus description by Thomas H. Kent, not updated.
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