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Question: We have a growing number of a tall plant in Mount Holly, …
...exceeding 20 cm wide; leaflets of principal leaves 5–30 (–60) cm long; schizocarp on a pedicel 6–20 mm long, with oil tubes up to 0.5 (–0.8) mm wide that extend 50–60 (–70%) of the way from apex to ba...
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Botrychium minganense (Mingan moonwort)
...into 2 unequal lobes with the upper lobe larger (vs. B. minganense, with the plants green to yellow-green or blue-green in life, and the lower vegetative leaflets entire to crenate or lobed, when lobe...
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Family: Araceae (arum family)
...or 2 pollen-bearing flowers each with one stamen and one ovary. The fruit is a specialized type of achene called a utricle. Despite their differences, these two groups are united on many features, in...
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Family: Poaceae (grass family)
...and 2-3 styles topped with branched stigmas designed to capture pollen from the air. The fruit is usually a caryopsis (i.e., a grain). This Family's Genera: Aegilops Agropyron Agrostis...
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Question: I believe that I have cow parsley as an invasive alien in …
...about 2-3 feet tall. How can I be sure and differentiate it from other similar plants? Answer: Dear WBoylGardener, it is important that we know the identification of species so we don't acciden...
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Asplenium ruta-muraria (wall-rue spleenwort)
...S2), threatened (code: T) Massachusetts: rare (S-rank: S2), ...
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Callitriche palustris (vernal water-starwort)
...1.2 mm–5.0 mm. Petal fusion: NA. Number of carpels: 0.0 NA–2.0 NA. Petal...
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Piptatherum pungens (short-awned mountain-rice grass)
...S2), threatened (code: T) Information from Dichotomous Key of Flora Novae Angliae: 2. Pip...
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Cucurbitaceae: Dichotomous Key
...602]; petals shorter than 1 cm; fruit 1.3–6 cm long 2a. Petals yellow; fruit fleshy, with many seeds; leaf blades with deep, rounded sinuses (in part) 2b. Petals white to g...
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Saxifragaceae: Dichotomous Key
... 2a. Petals conspicuously pectinately fringed [Fig. 904]; inflorescence a slender, simple raceme with flowers borne on short pedicels 1–5 mm long 2b. Petals entire [Fig. 906]; inf...