Rubus betulifolius Small
Rubus floridensis L.H. Bailey
Rubus floridus Tratt.
Rubus incisifrons L.H. Bailey
Rubus louisianus A. Berger
Rubus penetrans L.H. Bailey
Rubus rhodophyllus Rydb.
Rubus argutus Link
Sawtooth blackberry, tall blackberry
[An article has not been written yet.]
6/13/2025 · River Point Conservation Area, Falmouth, Maine 
6/10/2021 · Otter Brrok Preserve, Harpswell Heritage Land Trust, Harpswell, Maine · ≈ 8 × 5″ (20 × 13 cm) 
6/15/2025 · Morse Mountain Preserve, Phippsburg, Maine · ≈ 11 × 8″ (28 × 19 cm) 
6/12/2023 · Viles Arboretum, Augusta, Maine 
6/12/2023 · Viles Arboretum, Augusta, Maine 
6/15/2025 · Morse Mountain Preserve, Phippsburg, Maine · ≈ 12 × 11″ (31 × 27 cm) 
6/10/2021 · Otter Brrok Preserve, Harpswell Heritage Land Trust, Harpswell, Maine · ≈ 5 × 4″ (13 × 10 cm) 
| 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 | Rubus | Latin for “bramble” or “blackberry” |
| Species | argutus |
Rubus argutus description by Thomas H. Kent, not updated.
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