Question: Found in tolerant hardwoods along X country ski trail, 25 km west of Fredericton NB. Most capsules had been invaded …
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Question
Found in tolerant hardwoods along X country ski trail, 25 km west of Fredericton NB. Most capsules had been invaded and seeds eaten. One capsule survived and had tailless seeds. Continues to key out to Juncus tenuis, but plant seems too fine. Leaves <0.5 mm wide, flat to inrolled, non-septate. Some flowers single, others in groups of 2-3. Is this just a fine J. tenuis? Thank you.
Answer
Dear Apohaqui2810, I would not be able to distinguish Juncus tenuis (which this looks very much like) from J. dichotomous from the images provided. You will need to examine the ligules to determine which species it is. Juncus tenuis has elongate, scarious ligules vs. short and firm in J. dichotomous. If you need help, try to upload a close-up image of the area where the leaf sheath meets the leaf blade and I can try to assist. Best wishes.
