Congesta:  Answers to key questions in Budd's Flora and Flora of Alberta leading to this species.   plants perennial; NOT annual flowering stems glabrous throughout; NOT glandular-puberulent above leaves filiform-linear, less than 5 mm wide leaves 1-6 cm long; NOT 3-8 cm long inflorescence more or less congested and umbellate; NOT open when mature, NOT more or less forked sepals rounded or obtuse at the tip; NOT distinctly acute to acuminate sepals 4-5 mm long; NOT 3-4 mm long valves of capsule 2-cleft; NOT entire seeds NOT strophiolate

 

Arenaria: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.  plants NOT with woody base plants WITHOUT stipules; NOT with small, ovate, papery stipules at junctions of stem and leaf and stem and branch petals usually present petals (when present) WITHOUT claws; NOT with claw-like base petals (when present) entire or emarginate; NOT deeply notched, NOT 2-cleft 5 sepals sepals entirely separate; NOT united part way, forming a tube styles normally 3; NOT 5 or 4 ovary NOT stipitate fruit a several-many-seeded capsule; NOT a 1-seeded utricle capsule opening with 3 valves (originally entire valves may become 2-cleft)

 

Caryophyllaceae: Answers to key questions in Budd's Flora  leading to this family.  herbs plants terrestrial; NOT aquatic, leaves NOT submerged, leaves NOT floating, NOT mud plants with small axillary flowers plants NOT with coloured milky juice plants with more than one normal leaf leaves opposite, whorled, or basal; NOT alternate leaves NOT glandular-dotted plants WITHOUT large petal-like bracts; NOT with an involucre of 4 petal-like bracts flowers with two floral rings, and with each petal distinct from the others sepals more than 2 stamens NOT united at base styles 2 or more; NOT single